v3.26.3
Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated 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
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period $ 4,033,973 $ 3,711,644 $ 3,842,246 $ 2,841,774
Other comprehensive income (loss) before reclassifications 10,056 193 11,937 (1,415)
(Gain) loss reclassified to net income 1,167 (1,103) 3,421 (3,053)
Income tax (expense) benefit (2,710) 218 (3,474) 1,084
Other comprehensive income (loss) 8,513 (692) 11,884 (3,384)
Balance at the end of the period 4,078,352 3,834,600 4,078,352 3,834,600
Total        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period 1,544 (724) (1,827) 1,968
Other comprehensive income (loss) 8,513 (692) 11,884 (3,384)
Balance at the end of the period 10,057 (1,416) 10,057 (1,416)
AFS Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period 45 0 0 0
Other comprehensive income (loss) before reclassifications (1,932) 0 (4,211) 0
(Gain) loss reclassified to net income 1,698 0 4,022 0
Income tax (expense) benefit 0 0 0 0
Other comprehensive income (loss) (234) 0 (189) 0
Balance at the end of the period (189) 0 (189) 0
Derivative Instruments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period 1,499 204 (989) 2,896
Other comprehensive income (loss) before reclassifications 11,988 193 16,148 (1,415)
(Gain) loss reclassified to net income (531) (1,103) (1,439) (3,053)
Income tax (expense) benefit (2,710) 218 (3,474) 1,084
Other comprehensive income (loss) 8,747 (692) 11,235 (3,384)
Balance at the end of the period 10,246 (488) 10,246 (488)
Pension        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period 0 (928) (838) (928)
Other comprehensive income (loss) before reclassifications 0 0 0 0
(Gain) loss reclassified to net income 0 0 838 0
Income tax (expense) benefit 0 0 0 0
Other comprehensive income (loss) 0 0 838 0
Balance at the end of the period $ 0 $ (928) $ 0 $ (928)