Annual report [Section 13 and 15(d), not S-K Item 405]

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
Dec. 31, 2024
Dec. 31, 2023
AFS Securities $ 2,442,166 $ 2,231,261
HTM securities 759,335 808,074
Loans 18,291,977 15,502,861
Total assets 24,585,323 21,166,197
Asset Pledged as Collateral [Member]    
Cash 134,668 154,382
AFS Securities 1,526,012 1,460,754
HTM securities 610,838 638,850
Loans 8,447,750 3,379,394
Total assets 10,719,268 5,633,380
Deposits [Member] | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 771,486 749,398
HTM securities 601,421 621,494
Loans 0 0
Total assets 1,372,907 1,370,892
Repurchase Agreements [Member] | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 93,667 174,075
HTM securities 0 0
Loans 0 0
Total assets 93,667 174,075
Federal Home Loan Bank Advances [Member] | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 579,947 48,718
HTM securities 9,417 0
Loans 4,089,049 2,960,926
Total assets 4,678,413 3,009,644
Derivative [Member] | Asset Pledged as Collateral [Member]    
Cash 134,668 154,382
AFS Securities 62,199 61,311
HTM securities 0 0
Loans 0 0
Total assets 196,867 215,693
Fed Funds | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 0 411,661
HTM securities 0 17,356
Loans 4,358,701 418,468
Total assets 4,358,701 847,485
Other purposes | Asset Pledged as Collateral [Member]    
Cash 0 0
AFS Securities 18,713 15,591
HTM securities 0 0
Loans 0 0
Total assets $ 18,713 $ 15,591