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Employee Benefit Plans - Funded Status of Defined Benefit Plans (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]      
Noncurrent pension asset $ 4,294 $ 1,898  
Defined Benefit Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Balance at beginning of the year 49,249 53,978  
Interest cost 1,884 1,808 $ 2,072
Participant contributions 1 5  
Actuarial losses (gains) 2,582 (2,511)  
Change in currency exchange rates 260 (545)  
Benefits paid (3,626) (3,486)  
Benefit obligations at end of the year 50,350 49,249 53,978
Fair value at beginning of the year 40,626 44,222  
Actual return on plan assets 5,752 (2,237)  
Employer contributions 3,173 2,792  
Participant contributions 1 5  
Change in currency exchange rates 387 (670)  
Benefits paid (3,626) (3,486)  
Fair value of plan assets at end of year 46,313 40,626 $ 44,222
Funded status (4,037) (8,623)  
Noncurrent pension asset 4,294 1,898  
Current (101) (132)  
Noncurrent (8,230) (10,389)  
Amounts recognized in the Consolidated Balance Sheets (4,037) (8,623)  
Accumulated other comprehensive loss - actuarial losses, net 28,687 31,601  
Total 24,650 22,978  
Accumulated benefit obligations (ABO) $ 50,350 $ 49,249