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Fair Value Measurements - Summary of Changes in the Fair Value of Level 3 Contingent Consideration (Detail) - Level 3 [Member] - Contingent Consideration [Member]
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]  
Beginning balance $ (2,511)
Fair value adjustment of contingent purchase price (22)
Foreign exchange effect (151)
Ending balance $ (2,684)