Segment Information - Narrative (Details)	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2023 reporting_unit	Sep. 30, 2023 reporting_unit	Dec. 31, 2023 segment
Segment Reporting Information [Line Items]
Number of reportable segments | segment			4
Number of reporting units | reporting_unit	4
Retail automotive dealership
Segment Reporting Information [Line Items]
Number of reportable segments | segment			1
Number of reporting units | reporting_unit	2	6