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 - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Goodwill - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Sep. 30, 2019
Goodwill [Line Items]
Goodwill		$ 475,025	$ 475,206
Goodwill impairment charge		$ 0	$ 15,513	$ 0
Fleet Management Solutions - North America
Goodwill [Line Items]
Reporting unit fair value in excess of carrying value (as a percent)		15.00%			5.00%
Goodwill		$ 244,000
Fleet Management Solutions - Europe
Goodwill [Line Items]
Goodwill impairment charge	$ 16,000