Annual report pursuant to Section 13 and 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Aging of the Loan Portfolio by Class) (Details)

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LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Aging of the Loan Portfolio by Class) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing $ 9,132 $ 13,634    
Greater than 90 Days and still Accruing, % of total loans 0.07% 0.10%    
Nonaccrual $ 31,100 $ 42,448 $ 45,204 $ 28,200
Nonaccrual, % of total loans 0.24% 0.30%    
Total Loans $ 13,195,843 $ 14,021,314    
Total loans, % of total loans 100.00% 100.00%    
Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due $ 13,134,805 $ 13,929,049    
Current, % of total loans 99.54% 99.34%    
30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due $ 15,094 $ 27,024    
Past Due, % of total loans 0.11% 0.19%    
60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due $ 5,712 $ 9,159    
Past Due, % of total loans 0.04% 0.07%    
Construction and Land Development        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing $ 299 $ 0    
Nonaccrual 2,697 3,072 4,060  
Total Loans 862,236 925,798    
Construction and Land Development | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 857,883 920,276    
Construction and Land Development | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,357 1,903    
Construction and Land Development | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 0 547    
Commercial Real Estate - Owner Occupied        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 1,257 3,727    
Nonaccrual 5,637 7,128 13,889  
Total Loans 1,995,409 2,128,909    
Commercial Real Estate - Owner Occupied | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,987,133 2,114,804    
Commercial Real Estate - Owner Occupied | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,230 1,870    
Commercial Real Estate - Owner Occupied | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 152 1,380    
Commercial Real Estate - Non-Owner Occupied        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 433 148    
Nonaccrual 3,641 2,317 1,368  
Total Loans 3,789,377 3,657,562    
Commercial Real Estate - Non-Owner Occupied | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 3,783,211 3,651,232    
Commercial Real Estate - Non-Owner Occupied | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,965 2,144    
Commercial Real Estate - Non-Owner Occupied | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 127 1,721    
Multifamily Real Estate        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 0 0    
Nonaccrual 113 33 0  
Total Loans 778,626 814,745    
Multifamily Real Estate | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 778,429 814,095    
Multifamily Real Estate | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 84 617    
Multifamily Real Estate | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 0 0    
Commercial and Industrial        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 1,897 1,114    
Nonaccrual 1,647 2,107 3,037  
Total Loans 2,542,243 3,263,460    
Commercial and Industrial | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 2,536,100 3,257,201    
Commercial and Industrial | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,161 1,848    
Commercial and Industrial | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,438 1,190    
Residential 1-4 Family - Commercial        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 990 1,560    
Nonaccrual 2,285 9,993 6,492  
Total Loans 607,337 671,949    
Residential 1-4 Family - Commercial | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 601,946 657,351    
Residential 1-4 Family - Commercial | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,844 2,227    
Residential 1-4 Family - Commercial | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 272 818    
Residential 1-4 Family - Mortgage        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 3,013 5,699    
Nonaccrual 11,397 12,600 13,117  
Total Loans 816,524 822,866    
Residential 1-4 Family - Mortgage | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 795,821 792,852    
Total Loans 795,821 792,852    
Residential 1-4 Family - Mortgage | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 3,368 10,182    
Total Loans 3,368 10,182    
Residential 1-4 Family - Mortgage | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 2,925 1,533    
Total Loans 2,925 1,533    
Residential 1-4 Family - Mortgage | Greater Than 90 Days and still Accruing        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Total Loans 3,013 5,699    
Residential 1-4 Family - Mortgage | Nonaccrual        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Total Loans 11,397 12,600    
Residential 1-4 Family - Revolving        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 882 826    
Nonaccrual 3,406 4,629 2,490  
Total Loans 560,796 596,996    
Residential 1-4 Family - Revolving | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 554,652 587,522    
Total Loans 554,652 587,522    
Residential 1-4 Family - Revolving | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,493 2,975    
Total Loans 1,493 2,975    
Residential 1-4 Family - Revolving | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 363 1,044    
Total Loans 363 1,044    
Residential 1-4 Family - Revolving | Greater Than 90 Days and still Accruing        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Total Loans 882 826    
Residential 1-4 Family - Revolving | Nonaccrual        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Total Loans 3,406 4,629    
Auto        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 241 166    
Nonaccrual 223 500 565  
Total Loans 461,052 401,324    
Auto | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 458,473 398,206    
Total Loans 458,473 398,206    
Auto | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 1,866 2,076    
Total Loans 1,866 2,076    
Auto | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 249 376    
Total Loans 249 376    
Auto | Greater Than 90 Days and still Accruing        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Total Loans 241 166    
Auto | Nonaccrual        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Total Loans 223 500    
Consumer        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 120 394    
Nonaccrual 54 69 88  
Total Loans 176,992 247,730    
Consumer | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 175,943 245,551    
Total Loans 175,943 245,551    
Consumer | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 689 1,166    
Total Loans 689 1,166    
Consumer | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 186 550    
Total Loans 186 550    
Consumer | Greater Than 90 Days and still Accruing        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Total Loans 120 394    
Consumer | Nonaccrual        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Total Loans 54 69    
Other Commercial        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Greater Than 90 Days and Still Accruing 0 0    
Nonaccrual 0 0 $ 98  
Total Loans 605,251 489,975    
Other Commercial | Current        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 605,214 489,959    
Other Commercial | 30 to 59 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due 37 16    
Other Commercial | 60 to 89 Days Past Due        
Financing Receivable, Recorded Investment, Past Due [Line Items]        
Loans receivable, current and past due $ 0 $ 0