Goodwill and Intangible Assets, Net, Intangible Assets, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 1,700	$ 1,400	$ 4,538	$ 4,100
Acquired finite-lived intangible assets, weighted average useful life			5 years 6 months
Changes in gross carrying amount of finite-lived intangible assets
Gross carrying amount	59,685	54,656	$ 59,685	54,656	$ 59,256
Accumulated amortization	(38,721)	(32,840)	(38,721)	(32,840)	(34,185)
Net carrying amount	20,964	21,816	20,964	21,816	25,071
North America
Changes in gross carrying amount of finite-lived intangible assets
Gross carrying amount	33,755	31,305	33,755	31,305	33,756
Accumulated amortization	(21,761)	(18,461)	(21,761)	(18,461)	(19,173)
Net carrying amount	11,994	12,844	11,994	12,844	14,583
Europe
Changes in gross carrying amount of finite-lived intangible assets
Gross carrying amount	25,930	23,351	25,930	23,351	25,500
Accumulated amortization	(16,960)	(14,379)	(16,960)	(14,379)	(15,012)
Net carrying amount	$ 8,970	$ 8,972	$ 8,970	$ 8,972	$ 10,488