Goodwill and Intangible Assets - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Balance at beginning of period	$ 499,309	$ 336,539
Additions	242,964	161,117
Measurement period adjustments	(2,321)
Foreign currency exchange rate fluctuations	(1,052)	1,653
Balance at end of period	$ 738,900	$ 499,309