Fair Value Measurements - Schedule of Fair Values of Financial Assets and Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financial assets:
Cash equivalents	$ 170,307	$ 99,242
Derivative financial instruments	1,759
Total financial assets	172,066	99,242
Financial liabilities:
Contingent consideration	3,363	3,854
Derivative financial instruments	129	9,446
Total financial liabilities	3,492	13,300
Level 1 [Member]
Financial assets:
Cash equivalents	170,307	99,242
Total financial assets	170,307	99,242
Level 2 [Member]
Financial assets:
Derivative financial instruments	1,759
Total financial assets	1,759
Financial liabilities:
Derivative financial instruments	129	9,446
Total financial liabilities	129	9,446
Level 3 [Member]
Financial liabilities:
Contingent consideration	3,363	3,854
Total financial liabilities	$ 3,363	$ 3,854