Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Fair Value Measurements
Liabilities related to assets held for sale	$ 4,125	$ 0	$ 0
Level 2 | Carrying Value | Term Loan Facility
Fair Value Measurements
Debt instrument	1,351,543	1,360,454	1,361,853
Level 2 | Carrying Value | Floor Plan Facility
Fair Value Measurements
Debt instrument	20,885	20,885	20,885
Level 2 | Carrying Value | Real Estate Facilities
Fair Value Measurements
Debt instrument	192,574	145,911	22,076
Liabilities related to assets held for sale	4,100
Level 2 | Carrying Value | Other Long-Term Debt
Fair Value Measurements
Debt instrument	8,403	3,280	3,341
Level 2 | Fair Value | Term Loan Facility
Fair Value Measurements
Debt instrument	1,383,674	1,394,290	1,397,829
Level 2 | Fair Value | Floor Plan Facility
Fair Value Measurements
Debt instrument	21,327	19,823	17,535
Level 2 | Fair Value | Real Estate Facilities
Fair Value Measurements
Debt instrument	200,797	145,664	19,812
Level 2 | Fair Value | Other Long-Term Debt
Fair Value Measurements
Debt instrument	$ 6,947	$ 2,944	$ 3,055