Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Reportable Operating Segment (Details)

v3.8.0.1
Segment Information - Summary of Reportable Operating Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Segment Reporting Information [Line Items]    
Total consolidated revenues $ 2,400,773 $ 2,287,822
Total segment income (loss) 9,511 28,062
Interest expense, other, net (13,456) (13,409)
Other income (expense), net 89 (14,501)
Income (loss) from continuing operations before taxes (3,856) 152
Franchised Dealerships Segment    
Segment Reporting Information [Line Items]    
Total consolidated revenues 2,269,269 2,246,025
Total segment income (loss) 23,764 33,470
Pre-Owned Stores Segment    
Segment Reporting Information [Line Items]    
Total consolidated revenues 131,504 41,797
Total segment income (loss) $ (14,253) $ (5,408)