Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Goodwill [Line Items]
Goodwill, gross	$ 273,882		$ 273,976
Accumulated impairment	(128,957)		(121,766)
Goodwill, net	144,925		152,210
Goodwill impairment	(7,191)	$ 0
Foreign exchange impact	(94)
North America
Goodwill [Line Items]
Goodwill, gross	170,548		170,642
Accumulated impairment	(25,623)		(18,432)
Goodwill, net	144,925		152,210
Goodwill impairment	(7,191)
Foreign exchange impact	(94)
EMEA
Goodwill [Line Items]
Goodwill, gross	96,225		96,225
Accumulated impairment	(96,225)		(96,225)
Goodwill, net	0		0
Goodwill impairment	0
Foreign exchange impact	0
LATAM
Goodwill [Line Items]
Goodwill, gross	7,109		7,109
Accumulated impairment	(7,109)		(7,109)
Goodwill, net	0		$ 0
Goodwill impairment	0
Foreign exchange impact	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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