Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Dispositions - Revenues and Other Activities Associated with Disposed Dealerships That Remain in Continuing Operations (Details)

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Business Acquisitions and Dispositions - Revenues and Other Activities Associated with Disposed Dealerships That Remain in Continuing Operations (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Business Combinations [Abstract]    
Income (loss) from operations $ (636) $ (703)
Gain (loss) on disposal 1,630 (24)
Pre-tax income (loss) 994 (727)
Total revenues $ 1,919 $ 43,202