v3.26.3
Shareholders' Equity - Pre-tax and After-tax Changes in the Components of Other Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Reclassification Adjustments, after Tax [Abstract]        
Change in unrealized gain (loss) on available-for-sale debt securities, before tax $ (149,990) $ 28,826 $ (173,698) $ 61,051
Change in unrealized gain (loss) on available-for-sale debt securities, tax (37,647) 7,149 (43,598) 15,141
Change in unrealized gain (loss) on available-for-sale debt securities, after tax (112,343) 21,677 (130,100) 45,910
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract]        
Reclassification of gain on sale of available-for-sale securities, before tax     5,885 (106)
Reclassification of gain on sale of available-for-sale securities, tax     1,477 (26)
Reclassification of gain on sale of available-for-sale securities, after tax 0 0 4,408 (80)
Other Comprehensive Loss, Held-to-maturity Security, OTTI, after Tax and Adjustments [Abstract]        
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, before of tax (706) (846) (2,199) (2,467)
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, tax (176) (210) (552) (612)
Reclassification of gain on held-to-maturity securities (530) (636) (1,647) (1,855)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent [Abstract]        
Change in unrealized gain (loss) on cash flow hedges arising during the period, before tax (13,824) (489) (20,123) 5,302
Change in unrealized gain (loss) on cash flow hedges arising during the period, tax (3,470) (121) (5,051) 1,315
Change in unrealized gain (loss) on cash flow hedges arising during the period, after tax (10,354) (368) (15,072) 3,987
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]        
Reclassification of loss on cash flow hedges, before tax 140 388 222 978
Reclassification of loss on cash flow hedges, tax 35 96 56 242
Reclassification of loss on cash flow hedges, after tax (105) (292) (166) (736)
OCI, Net of Tax [Abstract]        
Total other comprehensive income (loss), before tax (164,380) 27,879 (189,913) 64,758
Total other comprehensive income (loss), tax (41,258) 6,914 (47,668) 16,060
Total other comprehensive income (loss), net of tax $ (123,122) $ 20,965 $ (142,245) $ 48,698