Fair Value Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Fair Value Measurements
Liabilities related to assets held for sale	$ 0	$ 17,288	$ 7,650
Level 2 | Carrying Value | Term Loan Facility
Fair Value Measurements
Debt instrument	1,343,580	1,346,229	1,354,221
Level 2 | Carrying Value | Floor Plan Facility
Fair Value Measurements
Debt instrument	31,885	20,885	20,885
Level 2 | Carrying Value | Real Estate Facilities
Fair Value Measurements
Debt instrument	219,068	183,892	202,452
Liabilities related to assets held for sale		17,300	7,700
Level 2 | Carrying Value | Other Long-Term Debt
Fair Value Measurements
Debt instrument	8,168	8,246	3,250
Level 2 | Fair Value | Term Loan Facility
Fair Value Measurements
Debt instrument	1,322,077	1,328,892	1,387,212
Level 2 | Fair Value | Floor Plan Facility
Fair Value Measurements
Debt instrument	33,134	21,732	21,213
Level 2 | Fair Value | Real Estate Facilities
Fair Value Measurements
Debt instrument	230,710	195,029	211,085
Level 2 | Fair Value | Other Long-Term Debt
Fair Value Measurements
Debt instrument	$ 6,708	$ 6,702	$ 2,945