Defined Benefit Plan - Summary of Foreign Plan's Status and Recognized Amounts (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Change in benefit obligation:
Benefit obligation, beginning of year	$ 14,025	$ 14,854
Service cost	422	571	$ 512
Interest cost	38	31	132
Actuarial (gain)/loss	(484)	(63)
Employee contributions and transfer	(267)	(47)
Foreign currency translation	(535)	1,395
Benefit obligation, end of year	12,311	14,025	14,854
Change in plan assets:
Fair value of assets, beginning of period	10,034	10,108
Actual return on plan assets	349	407
Company contribution	324	385
Foreign currency translation	(370)	929
Fair value of assets, end of period	9,449	10,034	$ 10,108
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan	304	356
Defined Benefit Plan, Benefit Obligation, Benefits Paid	253	153
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Remeasurement due to Settlement	1,445	1,998
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment	$ 0	$ 921

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

Name:	us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.