Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Credit loss expense	$ 1,140	$ 1,696
Cash overdrafts	$ 500
Weighted average interest rate	6.00%	6.40%
Automotive [Member]
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Floor plan interest expense	$ 2,200	$ 3,000
Floor plan assistance	2,000	$ 2,200
Automotive [Member] | Vehicle Floor Plan Facility - New Vehicles [Member]
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Obligations outstanding related to floor plan facilities associated with new vehicles	$ 100,300		$ 133,500
Vehicle Floor Plan Facility [Member] | Automotive [Member]
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Weighted average interest rate	6.30%	6.90%