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Pension and Other Post Retirement Benefit Plans - Reconciliation of Change in Benefit Obligation, Change in Plan Assets and Balance Sheet Classification (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Balance sheet classification:      
Pension benefit obligation $ (6,832) $ (8,163)  
United States      
Change in projected benefit obligation:      
Balance at beginning of year 3,847 3,871  
Interest cost 42 85 $ 127
Paid pension distributions (342) (342)  
Actuarial (gain) loss (101) 233  
Balance at end of year 3,446 3,847 3,871
Change in plan assets:      
Underfunded Status (3,446) (3,847)  
Balance sheet classification:      
Other current liabilities (342) (342)  
Pension benefit obligation (3,104) (3,505)  
Accumulated other comprehensive loss (pre-tax):      
Actuarial losses $ 575 $ 701  
Discount rate 1.80% 1.20%  
German Plan      
Change in projected benefit obligation:      
Balance at beginning of year $ 8,934 $ 8,353  
Interest cost 91 88 147
Paid pension distributions (310) (294)  
Actuarial (gain) loss 9 40  
Exchange rate impact (622) 747  
Balance at end of year 8,102 8,934 8,353
Change in plan assets:      
Balance at beginning of year 4,276 3,825  
Actual return on plan assets 98 96  
Contributions 310 294  
Paid pension distributions (310) (294)  
Exchange rate impact (305) 355  
Balance at end of year 4,069 4,276 $ 3,825
Underfunded Status (4,033) (4,658)  
Balance sheet classification:      
Other current liabilities (306)    
Pension benefit obligation (3,727) (4,658)  
Accumulated other comprehensive loss (pre-tax):      
Actuarial losses $ 3,288 $ 3,644  
Discount rate 1.25% 1.08%