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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Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	12 Months Ended
Goodwill (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2015	Jun. 30, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
December 31, 2018			$ 152,158
Foreign exchange impact			45
June 30, 2019			152,203	$ 152,158
Goodwill, Impairment Loss		$ 75,400
North America
Goodwill [Roll Forward]
December 31, 2018			152,158
Foreign exchange impact			45
June 30, 2019			152,203	152,158
Goodwill, Impairment Loss				18,400
LATAM SEF [Member]
Goodwill [Roll Forward]
December 31, 2018			0
Foreign exchange impact			0
June 30, 2019			0	0
EMEA [Member]
Goodwill [Roll Forward]
December 31, 2018			0
Foreign exchange impact			0
June 30, 2019			$ 0	$ 0
LATAM SEF [Member]
Goodwill [Roll Forward]
Goodwill, Impairment Loss	$ 7,100
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, Impairment Loss	$ 20,800