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Fair Value Measurements - Liabilities Measured at Fair Value on Recurring Basis Using Level 3 Inputs (Detail) - Contingent Payment
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Contingent consideration at December 31, 2019 $ 50,793
Changes in fair value of contingent consideration (4)
Foreign exchange remeasurement of Euro denominated contingent acquisition consideration (265)
Contingent consideration at March 31, 2020 $ 50,524