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Accumulated Other Comprehensive Income - Changes in Each Component of Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance $ 355,212 $ 350,108
Total other comprehensive loss (29,509) (5,050)
Ending balance 327,692 350,058
Accumulated Other Comprehensive Income (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance 14,675 21,447
Other comprehensive loss before reclassifications (29,564) (5,116)
Amounts reclassified from accumulated other comprehensive income (loss)   1
Total other comprehensive loss (29,564) (5,115)
Ending balance (14,889) 16,332
Accumulated Other Comprehensive Income (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (5,855) (6,828)
Amounts reclassified from accumulated other comprehensive income (loss) 55 65
Total other comprehensive loss 55 65
Ending balance (5,800) (6,763)
Accumulated Other Comprehensive Income (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance 8,820 14,619
Other comprehensive loss before reclassifications (29,564) (5,116)
Amounts reclassified from accumulated other comprehensive income (loss) 55 66
Total other comprehensive loss (29,509) (5,050)
Ending balance $ (20,689) $ 9,569