Fair Value Measurements - Summary of Fair Value of Level 3 Financial Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value at the beginning of the period		$ 50,800
Changes in estimated fair value	$ (7,200)	(7,200)
Fair Value Inputs Level3 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value at the beginning of the period		50,800	$ 5,200
Additions of contingent consideration			300
Changes in estimated fair value		7,200	(45,000)
Fair value at the end of the period	$ 43,600	$ 43,600	$ 50,500