| LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Loans Receivables Related Risk Rating) (Details) - USD ($)$ in Thousands
 | Sep. 30, 2022 | Dec. 31, 2021 | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Loans, Total | $ 13,918,720 | $ 13,195,843 | 
| Construction and Land Development |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 280,933 | 434,700 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 527,037 | 218,858 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 139,381 | 53,081 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 20,583 | 59,521 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 36,792 | 11,846 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 41,041 | 61,234 | 
| Financing Receivable, Revolving Loans | 22,434 | 22,996 | 
| Loans, Total | 1,068,201 | 862,236 | 
| Construction and Land Development | Pass |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 278,751 | 430,764 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 522,332 | 218,672 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 139,003 | 39,937 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 16,527 | 40,128 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 35,327 | 11,299 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 36,153 | 50,908 | 
| Financing Receivable, Revolving Loans | 22,434 | 22,996 | 
| Loans, Total | 1,050,527 | 814,704 | 
| Construction and Land Development | Watch |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 395 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 855 | 185 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 12,923 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 3,842 | 129 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 120 | 349 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 2,736 | 4,026 | 
| Financing Receivable, Revolving Loans | 0 | 0 | 
| Loans, Total | 7,553 | 18,007 | 
| Construction and Land Development | Special Mention |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 921 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 1,491 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 338 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 174 | 735 | 
| Financing Receivable, Revolving Loans | 0 | 0 | 
| Loans, Total | 2,924 | 735 | 
| Construction and Land Development | Substandard |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 1,261 | 3,541 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 2,359 | 1 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 40 | 221 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 214 | 19,264 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 1,345 | 198 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 1,978 | 5,565 | 
| Financing Receivable, Revolving Loans | 0 | 0 | 
| Loans, Total | 7,197 | 28,790 | 
| Commercial Real Estate - Owner Occupied |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 195,453 | 222,464 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 207,649 | 280,268 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 258,953 | 348,743 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 304,839 | 277,445 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 248,358 | 197,629 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 721,875 | 647,320 | 
| Financing Receivable, Revolving Loans | 16,745 | 21,540 | 
| Loans, Total | 1,953,872 | 1,995,409 | 
| Commercial Real Estate - Owner Occupied | Pass |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 193,743 | 222,079 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 204,645 | 279,165 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 256,490 | 321,503 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 290,697 | 263,422 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 233,459 | 179,994 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 663,420 | 555,540 | 
| Financing Receivable, Revolving Loans | 15,089 | 19,705 | 
| Loans, Total | 1,857,543 | 1,841,408 | 
| Commercial Real Estate - Owner Occupied | Watch |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 1,069 | 185 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 178 | 18 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 2,463 | 7,959 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 8,293 | 10,875 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 12,375 | 14,648 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 26,383 | 57,466 | 
| Financing Receivable, Revolving Loans | 1,149 | 702 | 
| Loans, Total | 51,910 | 91,853 | 
| Commercial Real Estate - Owner Occupied | Special Mention |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 641 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 932 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 11,826 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 1,479 | 610 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 914 | 1,052 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 18,816 | 19,480 | 
| Financing Receivable, Revolving Loans | 42 | 507 | 
| Loans, Total | 21,892 | 34,407 | 
| Commercial Real Estate - Owner Occupied | Substandard |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 200 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 2,826 | 153 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 7,455 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 4,370 | 2,538 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 1,610 | 1,935 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 13,256 | 14,834 | 
| Financing Receivable, Revolving Loans | 465 | 626 | 
| Loans, Total | 22,527 | 27,741 | 
| Commercial Real Estate - Non-Owner Occupied |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 339,508 | 644,538 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 673,224 | 432,513 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 409,133 | 604,823 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 564,136 | 448,020 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 437,956 | 405,932 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 1,444,397 | 1,216,717 | 
| Financing Receivable, Revolving Loans | 31,971 | 36,834 | 
| Loans, Total | 3,900,325 | 3,789,377 | 
| Commercial Real Estate - Non-Owner Occupied | Pass |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 339,274 | 642,386 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 671,073 | 421,063 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 397,814 | 520,035 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 508,462 | 377,176 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 375,951 | 374,949 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 1,392,787 | 1,102,193 | 
| Financing Receivable, Revolving Loans | 31,971 | 36,568 | 
| Loans, Total | 3,717,332 | 3,474,370 | 
| Commercial Real Estate - Non-Owner Occupied | Watch |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 2,152 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 2,151 | 841 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 818 | 35,721 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 26,793 | 39,356 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 40,466 | 18,242 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 27,259 | 101,797 | 
| Financing Receivable, Revolving Loans | 0 | 14 | 
| Loans, Total | 97,487 | 198,123 | 
| Commercial Real Estate - Non-Owner Occupied | Special Mention |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 234 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 10,609 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 25,691 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 6,084 | 20,119 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 2,609 | 12,741 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 18,771 | 4,775 | 
| Financing Receivable, Revolving Loans | 0 | 0 | 
| Loans, Total | 27,698 | 73,935 | 
| Commercial Real Estate - Non-Owner Occupied | Substandard |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 10,501 | 23,376 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 22,797 | 11,369 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 18,930 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 5,580 | 7,952 | 
| Financing Receivable, Revolving Loans | 0 | 252 | 
| Loans, Total | 57,808 | 42,949 | 
| Commercial and Industrial |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 531,414 | 772,480 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 577,582 | 461,629 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 340,152 | 302,805 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 203,405 | 145,333 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 113,596 | 40,792 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 150,051 | 177,462 | 
| Financing Receivable, Revolving Loans | 792,847 | 641,742 | 
| Loans, Total | 2,709,047 | 2,542,243 | 
| Commercial and Industrial | Pass |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 529,915 | 770,662 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 576,070 | 450,478 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 321,669 | 287,926 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 191,789 | 110,710 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 86,424 | 38,395 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 144,362 | 170,857 | 
| Financing Receivable, Revolving Loans | 746,107 | 619,583 | 
| Loans, Total | 2,596,336 | 2,448,611 | 
| Commercial and Industrial | Watch |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 1,401 | 1,233 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 794 | 9,641 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 17,955 | 2,766 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 5,204 | 31,635 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 12,546 | 1,370 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 2,283 | 4,405 | 
| Financing Receivable, Revolving Loans | 22,057 | 17,220 | 
| Loans, Total | 62,240 | 68,270 | 
| Commercial and Industrial | Special Mention |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 206 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 182 | 935 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 416 | 8,477 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 2,500 | 1,023 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 373 | 564 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 2,031 | 561 | 
| Financing Receivable, Revolving Loans | 20,174 | 3,249 | 
| Loans, Total | 25,676 | 15,015 | 
| Commercial and Industrial | Substandard |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 98 | 379 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 536 | 575 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 112 | 3,636 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 3,912 | 1,965 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 14,253 | 463 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 1,375 | 1,639 | 
| Financing Receivable, Revolving Loans | 4,509 | 1,690 | 
| Loans, Total | 24,795 | 10,347 | 
| Multifamily Real Estate |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 84,683 | 63,475 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 79,629 | 189,864 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 216,676 | 109,385 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 66,595 | 119,053 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 77,207 | 66,562 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 247,955 | 228,739 | 
| Financing Receivable, Revolving Loans | 2,225 | 1,548 | 
| Loans, Total | 774,970 | 778,626 | 
| Multifamily Real Estate | Pass |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 84,683 | 63,431 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 79,629 | 187,616 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 216,676 | 108,402 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 62,386 | 114,077 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 76,761 | 66,562 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 247,444 | 228,013 | 
| Financing Receivable, Revolving Loans | 2,225 | 1,548 | 
| Loans, Total | 769,804 | 769,649 | 
| Multifamily Real Estate | Watch |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 359 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 4,209 | 459 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 446 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 423 | 522 | 
| Financing Receivable, Revolving Loans | 0 | 0 | 
| Loans, Total | 5,078 | 1,340 | 
| Multifamily Real Estate | Special Mention |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 44 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 2,248 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 624 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 4,517 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 88 | 91 | 
| Financing Receivable, Revolving Loans | 0 | 0 | 
| Loans, Total | 88 | 7,524 | 
| Multifamily Real Estate | Substandard |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior |  | 113 | 
| Financing Receivable, Revolving Loans |  | 0 | 
| Loans, Total |  | 113 | 
| Residential 1-4 Family - Commercial |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 35,383 | 108,352 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 93,310 | 96,321 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 81,044 | 74,063 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 64,394 | 54,722 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 46,684 | 60,092 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 220,435 | 212,627 | 
| Financing Receivable, Revolving Loans | 1,362 | 1,160 | 
| Loans, Total | 542,612 | 607,337 | 
| Residential 1-4 Family - Commercial | Pass |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 35,383 | 108,259 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 91,966 | 94,184 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 79,004 | 65,682 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 53,298 | 46,267 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 38,421 | 55,995 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 208,616 | 196,052 | 
| Financing Receivable, Revolving Loans | 949 | 550 | 
| Loans, Total | 507,637 | 566,989 | 
| Residential 1-4 Family - Commercial | Watch |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 1,344 | 2,041 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 545 | 4,887 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 8,561 | 7,483 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 2,985 | 2,415 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 5,093 | 7,573 | 
| Financing Receivable, Revolving Loans | 114 | 311 | 
| Loans, Total | 18,642 | 24,710 | 
| Residential 1-4 Family - Commercial | Special Mention |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 96 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 1,495 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 71 | 436 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 4,800 | 391 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 2,717 | 4,126 | 
| Financing Receivable, Revolving Loans | 0 | 0 | 
| Loans, Total | 9,083 | 5,049 | 
| Residential 1-4 Family - Commercial | Substandard |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 93 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 3,494 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 2,464 | 536 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 478 | 1,291 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 4,009 | 4,876 | 
| Financing Receivable, Revolving Loans | 299 | 299 | 
| Loans, Total | 7,250 | 10,589 | 
| Other Commercial |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 173,657 | 226,595 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 216,249 | 167,497 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 156,770 | 98,848 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 118,283 | 6,201 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 3,683 | 26,971 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 73,889 | 48,694 | 
| Financing Receivable, Revolving Loans | 13,304 | 30,445 | 
| Loans, Total | 755,835 | 605,251 | 
| Other Commercial | Pass |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 168,290 | 226,595 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 216,249 | 167,497 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 156,770 | 98,848 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 118,283 | 5,620 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 3,683 | 25,723 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 70,833 | 44,114 | 
| Financing Receivable, Revolving Loans | 13,209 | 30,445 | 
| Loans, Total | 747,317 | 598,842 | 
| Other Commercial | Watch |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 5,367 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 581 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 1,246 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 3,056 | 4,341 | 
| Financing Receivable, Revolving Loans | 0 | 0 | 
| Loans, Total | 8,423 | 6,168 | 
| Other Commercial | Special Mention |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year |  | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year |  | 2 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior |  | 0 | 
| Financing Receivable, Revolving Loans |  | 0 | 
| Loans, Total |  | 2 | 
| Other Commercial | Substandard |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 0 | 0 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 0 | 239 | 
| Financing Receivable, Revolving Loans | 95 | 0 | 
| Loans, Total | 95 | 239 | 
| Commercial Portfolio |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 1,641,031 | 2,472,604 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 2,374,680 | 1,846,950 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 1,602,109 | 1,591,748 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 1,342,235 | 1,110,295 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 964,276 | 809,824 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 2,899,643 | 2,592,793 | 
| Financing Receivable, Revolving Loans | 880,888 | 756,265 | 
| Loans, Total | 11,704,862 | 11,180,479 | 
| Commercial Portfolio | Pass |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 1,630,039 | 2,464,176 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 2,361,964 | 1,818,675 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 1,567,426 | 1,442,333 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 1,241,442 | 957,400 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 850,026 | 752,917 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 2,763,615 | 2,347,677 | 
| Financing Receivable, Revolving Loans | 831,984 | 731,395 | 
| Loans, Total | 11,246,496 | 10,514,573 | 
| Commercial Portfolio | Watch |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 7,837 | 3,965 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 5,322 | 12,726 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 21,781 | 64,615 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 56,902 | 90,518 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 68,938 | 38,270 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 67,233 | 180,130 | 
| Financing Receivable, Revolving Loans | 23,320 | 18,247 | 
| Loans, Total | 251,333 | 408,471 | 
| Commercial Portfolio | Special Mention |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 1,796 | 250 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 1,673 | 14,820 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 2,249 | 46,618 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 10,134 | 26,705 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 8,696 | 14,750 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 42,597 | 29,768 | 
| Financing Receivable, Revolving Loans | 20,216 | 3,756 | 
| Loans, Total | 87,361 | 136,667 | 
| Commercial Portfolio | Substandard |  |  | 
| Financing Receivable, Recorded Investment [Line Items] |  |  | 
| Term Loans Amortized Cost Basis by Origination Year, Current Fiscal Year | 1,359 | 4,213 | 
| Term Loans Amortized Cost Basis by Origination Year, Fiscal Year Before Current Fiscal Year | 5,721 | 729 | 
| Term Loans Amortized Cost Basis by Origination Year, Two Years Before Current Fiscal Year | 10,653 | 38,182 | 
| Term Loans Amortized Cost Basis by Origination Year, Three Years Before Current Fiscal Year | 33,757 | 35,672 | 
| Term Loans Amortized Cost Basis by Origination Year, Four Years Before Current Fiscal Year | 36,616 | 3,887 | 
| Term Loans Amortized Cost Basis by Origination Year, Prior | 26,198 | 35,218 | 
| Financing Receivable, Revolving Loans | 5,368 | 2,867 | 
| Loans, Total | $ 119,672 | $ 120,768 |