Annual report pursuant to Section 13 and 15(d)

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

v3.24.0.1
Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Other comprehensive income (loss) before reclassification $ 306    
Balance at beginning of period (35,973)    
Balance at end of period (29,058) $ (35,973)  
Balance at beginning of period 637,515 643,417 $ 577,044
Other comprehensive income (loss), net of tax 17,057 (80,542) (11,519)
Balance at end of period 701,891 637,515 643,417
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 (124,958) (11,864) 4,323
Other comprehensive income (loss) before reclassification 21,795 (113,094) (16,686)
Reclassification from accumulated other comprehensive income 1,871   499
Net current period other comprehensive income 23,666 (113,094) (16,187)
Balance at end of period (101,292) (124,958) (11,864)
Unrealized Gains and Losses on Cash Flow Hedge      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Other comprehensive income (loss) before reclassification 306    
Net current period other comprehensive income 306    
Balance at end of period 306    
Tax Benefit (Expense)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period 35,973 3,421 (1,247)
Other comprehensive income (loss) before reclassification (6,351) 32,552 4,668
Reclassification from accumulated other comprehensive income (564)    
Net current period other comprehensive income (6,915) 32,552 4,668
Balance at end of period 29,058 35,973 3,421
Accumulated Other Comprehensive Income (Loss)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (88,985) (8,443) 3,076
Other comprehensive income (loss) before reclassification 15,750 (80,542) (12,018)
Reclassification from accumulated other comprehensive income 1,307   499
Other comprehensive income (loss), net of tax 17,057 (80,542) (11,519)
Balance at end of period $ (71,928) $ (88,985) $ (8,443)