Annual report pursuant to Section 13 and 15(d)

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

v3.22.0.1
Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Reclassification from accumulated other comprehensive income $ (499) $ 15,712 $ 1,295
Balance at beginning of period 1,247    
Balance at end of period (3,421) 1,247  
Balance at beginning of period 577,044 563,267 552,568
Other comprehensive income (loss), net of tax (11,519) (306) 9,461
Balance at end of period 643,417 577,044 563,267
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 4,323 4,752 (8,536)
Other comprehensive income (loss) before reclassification (16,686) 15,283 14,583
Reclassification from accumulated other comprehensive income 499 (15,712) (1,295)
Net current period other comprehensive income (16,187) (429) 13,288
Balance at end of period (11,864) 4,323 4,752
Tax Benefit (Expense)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period (1,247) (1,370) 2,457
Other comprehensive income (loss) before reclassification 4,668 123 (3,827)
Reclassification from accumulated other comprehensive income 0 0 0
Net current period other comprehensive income 4,668 123 (3,827)
Balance at end of period 3,421 (1,247) (1,370)
Accumulated Other Comprehensive Income (Loss)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance at beginning of period 3,076 3,382 (6,079)
Other comprehensive income (loss) before reclassification (12,018) 15,406 10,756
Reclassification from accumulated other comprehensive income 499 (15,712) (1,295)
Other comprehensive income (loss), net of tax (11,519) (306) 9,461
Balance at end of period $ (8,443) $ 3,076 $ 3,382