Goodwill and Intangible Assets, Net, Carrying Amount of Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Goodwill
Balance at the beginning of the period			$ 135,844
Acquisitions			218
Reclassifications			(106)
Foreign exchange			(2,243)
Balance at the end of the period	$ 133,495	$ 133,734	133,495	$ 133,734
Intangible Assets
Balance at the beginning of the period			26,800
Reclassifications			348
Amortization	(1,500)	(1,700)	(4,960)	(4,500)
Foreign exchange			(329)
Balance at the end of the period	$ 22,077	$ 20,964	$ 22,077	$ 20,964