v3.26.1
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period $ 4,082,127 $ 3,823,802 $ 4,076,028 $ 3,751,522
Reclassification for gains included in net income, net of tax (47)   (47)  
Unrealized (loss) gain on debt securities available-for-sale, net of tax (14,985) 7,544 (24,773) 23,233
Balance at end of period 4,090,577 3,917,678 4,090,577 3,917,678
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at beginning of period (1,476) (14,430) 8,312 (30,119)
Balance at end of period $ (16,508) $ (6,886) $ (16,508) $ (6,886)