v3.26.3
Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Statement of Comprehensive Income [Abstract]        
Net income $ 89,505 $ 83,573 $ 270,817 $ 131,995
Debt securities available-for-sale:        
Net change in unrealized (losses) gains on debt securities available-for-sale (106,627) 33,074 (131,047) 94,632
Related income tax effect 24,608 (7,710) 30,242 (23,703)
Net securities gains reclassified into earnings (62) (55) (200) (104)
Related income tax effect 14 16 46 31
Amortization of state tax rate adjustment reclassified to earnings (243) (209) (730) (477)
Net effect on other comprehensive (loss) income for the period (82,310) 25,116 (101,689) 70,379
Defined benefit plans:        
Amortization of net gain and prior service costs (302) (186) (896) (552)
Related income tax effect 70 45 206 136
Net effect on other comprehensive (loss) income for the period (232) (141) (690) (416)
Total other comprehensive (loss) income (82,542) 24,975 (102,379) 69,963
Comprehensive income (loss) $ 6,963 $ 108,548 $ 168,438 $ 201,958