Fair Value Measurements - Summary of Reconciliation of Beginning and Ending Balances of Recurring Fair Value Measurements (Details) - Recurring Basis - Significant Unobservable Inputs (Level 3) - Earnout Related to Acquisitions - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnout liabilities:
Balance beginning of period	$ 13,808	$ 0
Fair value recorded at acquisition	0	5,952
Payments of earnout liabilities	(7,700)	0
Total unrealized (gains) losses included in other (income) expense, net	(2,509)	0
Balance end of period	$ 3,599	$ 5,952