Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES (Schedule of Securities Pledged as Collateral) (Details)

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COMMITMENTS AND CONTINGENCIES (Schedule of Securities Pledged as Collateral) (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
AFS Securities $ 2,555,723 $ 2,231,261
HTM securities 766,472 808,074
Loans 18,189,059 15,502,861
Total assets 24,761,413 21,166,197
Asset Pledged as Collateral [Member]    
Cash 147,492 154,382
AFS Securities 1,583,904 1,460,754
HTM securities 617,529 638,850
Loans 5,382,518 3,379,394
Total assets 7,731,443 5,633,380
Deposits [Member] | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 761,660 749,398
HTM securities 607,944 621,494
Loans 0 0
Total assets 1,369,604 1,370,892
Repurchase Agreements [Member] | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 131,456 174,075
HTM securities 0 0
Loans 0 0
Total assets 131,456 174,075
Federal Home Loan Bank Advances [Member] | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 618,607 48,718
HTM securities 9,585 0
Loans 3,605,155 2,960,926
Total assets 4,233,347 3,009,644
Derivative [Member] | Asset Pledged as Collateral [Member]    
Cash 147,492 154,382
AFS Securities 60,996 61,311
HTM securities 0 0
Loans 0 0
Total assets 208,488 215,693
Federal Reserve Discount Window | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 0 411,661
HTM securities 0 17,356
Loans 1,777,363 418,468
Total assets 1,777,363 847,485
Other purposes | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 11,185 15,591
HTM securities 0 0
Loans 0 0
Total assets $ 11,185 $ 15,591