Annual report [Section 13 and 15(d), not S-K Item 405]

Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Detail)

v3.25.4
Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Other comprehensive income (loss) before reclassification $ (128) $ (2,373)  
Reclassification from accumulated other comprehensive income 802 1,533  
Balance at beginning of period (28,576)    
Effect of deferred tax remeasurement due to change in state tax law (1,132)    
Balance at end of period (17,822) (28,576)  
Balance at beginning of period 732,174 701,891 $ 637,515
Other comprehensive income, net of tax 27,548 1,205 17,057
Balance at end of period 796,386 732,174 701,891
Unrealized Gains and Losses on Available for Sale Securities      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (98,765) (101,292) (124,958)
Other comprehensive income (loss) before reclassification 37,629 2,527 21,795
Reclassification from accumulated other comprehensive income     1,871
Net current period other comprehensive income 37,629 2,527 23,666
Balance at end of period (61,136) (98,765) (101,292)
Unrealized Gains and Losses on Cash Flow Hedge      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (534) 306  
Other comprehensive income (loss) before reclassification (128) (2,373) 306
Reclassification from accumulated other comprehensive income 802 1,533  
Net current period other comprehensive income 674 (840) 306
Balance at end of period 140 (534) 306
Tax Benefit (Expense)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period 28,576 29,058 35,973
Other comprehensive income (loss) before reclassification (9,380) (41) (6,351)
Reclassification from accumulated other comprehensive income (243) (441) (564)
Effect of deferred tax remeasurement due to change in state tax law (1,132)    
Net current period other comprehensive income (10,755) (482) (6,915)
Balance at end of period 17,821 28,576 29,058
Accumulated Other Comprehensive Income (Loss)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Net current period other comprehensive income 27,548 1,205 17,057
Balance at beginning of period (70,723) (71,928) (88,985)
Other comprehensive income (loss) before reclassification 28,121 113 15,750
Reclassification from accumulated other comprehensive income 559 1,092 1,307
Effect of deferred tax remeasurement due to change in state tax law, net of tax (1,132)    
Balance at end of period $ (43,175) $ (70,723) $ (71,928)