Business Combinations - Schedule of Goodwill Associated with Merger (Details) - USD ($) $ in Thousands		10 Months Ended
Mar. 16, 2018	Dec. 31, 2018	Dec. 31, 2017
Acquisition of Dealership [Member]
Total consideration		$ 21,209
Less net assets acquired		12,842
Goodwill		$ 8,367
Predecessor [Member]
Total consideration	$ 115,578
Less net assets acquired	87,183
Goodwill	$ 28,395		$ 25,216

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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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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