Fair Value Measurements - Summary of Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 351,114	$ 333,798	$ 344,621	$ 310,424
Other comprehensive income (loss)	89	(409)	494	(480)
Ending Balance	352,500	343,146	352,500	343,146
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance			271
Other comprehensive income (loss)			405
Ending Balance	676		676
Unrealized Gains (Losses) on Marketable Securities
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance			6
Other comprehensive income (loss)			(6)
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance			(364)
Other comprehensive income (loss)			95
Ending Balance	(269)		(269)
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	318	653	(87)	724
Other comprehensive income (loss)	89	(409)	494	(480)
Ending Balance	$ 407	$ 244	$ 407	$ 244