Annual report pursuant to Section 13 and 15(d)

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

v3.22.4
Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Reclassification from accumulated other comprehensive income   $ 499 $ (15,712)
Balance at beginning of period $ (3,421)    
Balance at end of period (35,973) (3,421)  
Balance at beginning of period 643,417 577,044 563,267
Other comprehensive income (loss), net of tax (80,542) (11,519) (306)
Balance at end of period 637,515 643,417 577,044
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 (11,864) 4,323 4,752
Other comprehensive income (loss) before reclassification (113,094) (16,686) 15,283
Reclassification from accumulated other comprehensive income   499 (15,712)
Net current period other comprehensive income (113,094) (16,187) (429)
Balance at end of period (124,958) (11,864) 4,323
Tax Benefit (Expense)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period 3,421 (1,247) (1,370)
Other comprehensive income (loss) before reclassification 32,552 4,668 123
Reclassification from accumulated other comprehensive income   0 0
Net current period other comprehensive income 32,552 4,668 123
Balance at end of period 35,973 3,421 (1,247)
Accumulated Other Comprehensive Income (Loss)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (8,443) 3,076 3,382
Other comprehensive income (loss) before reclassification (80,542) (12,018) 15,406
Reclassification from accumulated other comprehensive income   499 (15,712)
Other comprehensive income (loss), net of tax (80,542) (11,519) (306)
Balance at end of period $ (88,985) $ (8,443) $ 3,076