Segments - Reconciliation of Segment Gross Profit (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting [Abstract]
Gross profit	$ 20,219	$ 21,403
Selling, general and administrative expenses	11,339	11,618
Licensing and titling expenses	711	821
Amortization and non-rental depreciation	775	716
Transaction expenses and other	10,448	1,452
Other (income) expense	5,857	6,021
Interest expense, net	14,906	16,014
Loss Before Income Taxes	$ (23,817)	$ (15,239)