XML 121 R108.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefit Plans - Schedule of net defined benefit plan costs (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Retirement Benefits [Abstract]      
Service costs $ 14,546 $ 11,897 $ 8,915
Interest costs 5,497 5,297 4,667
Amortization of actuarial loss 1,549 2,461 1,384
Expected return on plan assets (6,239) (4,589) (2,605)
One-time cost 0 0 202
Settlements 519 0 0
Net defined benefit plan costs $ 15,872 $ 15,066 $ 12,563