Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Reportable Operating Segment (Detail)

v3.5.0.2
Segment Information - Summary of Reportable Operating Segment (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Segment Reporting Information [Line Items]        
Total consolidated revenues $ 2,382,312 $ 2,423,740 $ 4,616,939 $ 4,659,256
Total segment income (loss) 50,355 37,785 86,224 74,503
Interest expense, other, net (12,205) (13,054) (24,544) (26,274)
Other income (expense), net 6 10 110 100
Income (loss) from continuing operations before taxes 38,156 24,741 61,790 48,329
Franchised Dealerships [Member]        
Segment Reporting Information [Line Items]        
Total consolidated revenues 2,352,840 2,402,764 4,563,425 4,622,594
Total segment income (loss) 53,561 41,714 92,854 84,785
Echo Park [Member]        
Segment Reporting Information [Line Items]        
Total consolidated revenues 29,472 20,976 53,514 36,662
Total segment income (loss) $ (3,206) $ (3,929) $ (6,630) $ (10,282)