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Defined Benefit Plan - Summary of Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Retirement Benefits [Abstract]
Service cost	$ 107	$ 105	$ 217	$ 214
Interest cost	10	11	21	17
Expected return on plan assets	(18)	(18)	(37)	(37)
Amortization of unrecognized loss	(7)	(7)	(14)	2
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment	(28)	31	(31)	88
Net periodic benefit cost	$ 64	$ 122	$ 156	$ 284

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