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Accumulated Other Comprehensive Loss
12 Months Ended
Dec. 31, 2025
Equity [Abstract]  
Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss
The table below shows the activity and accumulated balances of components of other comprehensive loss.
Unrealized
gains/losses
on AFS securities
Pension
plan
Total
(dollars in thousands)
Balance December 31, 2023$(255,195)$(12,397)$(267,592)
Other comprehensive income before reclassifications92,666 23,714 116,380 
Reclassification adjustment for net losses on AFS securities included in net income51,249 — 51,249 
Current period other comprehensive income, before tax143,915 23,714 167,629 
Income tax (expense)(34,309)(5,653)(39,962)
Current period other comprehensive income, net of tax109,606 18,061 127,667 
Balance December 31, 2024(145,589)5,664 (139,925)
Other comprehensive income before reclassifications136,831 17,820 154,651 
Reclassification adjustment for net losses on AFS securities included in net income6,920 — 6,920 
Current period other comprehensive income, before tax143,751 17,820 161,571 
Income tax (expense)(34,270)(4,248)(38,518)
Current period other comprehensive income, net of tax109,481 13,572 123,053 
Balance December 31, 2025$(36,108)$19,236 $(16,872)