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Commitments and Contingencies - Litigation (Details) $ in Thousands	Oct. 08, 2021 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 22, 2021 lawsuit	Aug. 06, 2019 lawsuit
Commitments and Contingencies
Surety bonds outstanding		$ 20,700	$ 19,100
Senior Secured Credit Facilities
Commitments and Contingencies
Letters of Credit Outstanding, Amount		4,900	4,900
Letters of credit \| Floor Plan Facility
Commitments and Contingencies
Letters of Credit Outstanding, Amount		11,371	11,500
Line of Credit Facility, Remaining Borrowing Capacity		$ 18,629	$ 18,500
U S District Court of Delaware Cases
Commitments and Contingencies
Number of lawsuits \| lawsuit					2
Weissmann
Commitments and Contingencies
Number of lawsuits \| lawsuit				1
Minimum \| Weissmann
Commitments and Contingencies
Damages sought by plaintiff	$ 2,500