v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Accumulated Other Comprehensive Income, Net of Tax (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance $ 1,718,949 $ 1,489,026
Other comprehensive income/(loss) before reclassifications (26,190) 13,603
Amounts reclassified from AOCI (2,263) (3,264)
Other comprehensive (loss)/income net of tax (28,453) 10,339
Ending Balance 1,717,021 1,525,646
Accumulated Other comprehensive (loss)/ income:    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance 13,382 (12,147)
Other comprehensive (loss)/income net of tax (28,453) 10,339
Ending Balance (15,071) (1,808)
Available-for-Sale Securities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance 2,811 (37,575)
Other comprehensive income/(loss) before reclassifications (28,126) 17,194
Amounts reclassified from AOCI (2) (3)
Other comprehensive (loss)/income net of tax (28,128) 17,191
Ending Balance (25,317) (20,384)
Held-to-Maturity Securities    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance (9,246) (9,226)
Other comprehensive income/(loss) before reclassifications 0 0
Amounts reclassified from AOCI (309) (239)
Other comprehensive (loss)/income net of tax (309) (239)
Ending Balance (9,555) (9,465)
Cash Flow Hedges    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Beginning Balance 19,817 34,654
Other comprehensive income/(loss) before reclassifications 1,936 (3,591)
Amounts reclassified from AOCI (1,952) (3,022)
Other comprehensive (loss)/income net of tax (16) (6,613)
Ending Balance $ 19,801 $ 28,041