v3.26.1
FAIR VALUE - Fair Value of Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Total gains (losses):    
Proceeds from principal repayments and maturities of available-for-sale debt securities $ 690,519 $ 347,267
Available-for-Sale Securities [Member] | Fair Value Inputs Level 3 [Member]    
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning balance 4,886 6,815
Total gains (losses):    
Included in other comprehensive income (loss) (unrealized) 182 46
Included in earnings (unrealized) (88) 5
Principal repayments and amortization (258) (233)
Ending balance $ 4,722 $ 6,633