Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

GOODWILL - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
GOODWILL - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2020
Goodwill [Line Items]
Goodwill		$ 475,245	$ 475,025
Goodwill impairment charge		0	$ 0	$ 15,513
Fleet Management Solutions - North America
Goodwill [Line Items]
Percentage of fair value in excess of carrying amount					5.00%
Goodwill		$ 244,000
Fleet Management Solutions - Europe
Goodwill [Line Items]
Goodwill impairment charge	$ 16,000