Goodwill and Intangible Assets, Net, Intangible Assets, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 1,600	$ 1,300	$ 3,013	$ 2,700
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	$ 59,337	54,423	59,337	54,423	$ 59,256
Accumulated amortization	(37,198)	(31,432)	(37,198)	(31,432)	(34,185)
Net carrying amount	22,139	22,991	22,139	22,991	25,071
North America
Changes in gross carrying amount of finite-lived intangible assets
Gross carrying amount	33,755	30,824	33,755	30,824	33,756
Accumulated amortization	(20,898)	(17,586)	(20,898)	(17,586)	(19,173)
Net carrying amount	12,857	13,238	12,857	13,238	14,583
Europe
Changes in gross carrying amount of finite-lived intangible assets
Gross carrying amount	25,582	23,599	25,582	23,599	25,500
Accumulated amortization	(16,300)	(13,846)	(16,300)	(13,846)	(15,012)
Net carrying amount	$ 9,282	$ 9,753	$ 9,282	$ 9,753	$ 10,488