Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Detail)

v3.7.0.1
Goodwill and Intangible Assets - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2017
USD ($)
Store
Dec. 31, 2016
USD ($)
Finite-Lived Intangible Assets [Line Items]      
Goodwill $ 471,493 $ 471,493 $ 472,437
Net of accumulated impairment losses 797,600 $ 797,600 796,700
Number of stand-alone pre-owned stores | Store   2  
Lease Agreements [Member]      
Finite-Lived Intangible Assets [Line Items]      
Definite life intangibles 5,000 $ 5,000 5,300
Stand-alone Pre-owned Stores [Member]      
Finite-Lived Intangible Assets [Line Items]      
Impairment of goodwill 900 900  
Franchise Assets [Member]      
Finite-Lived Intangible Assets [Line Items]      
Franchise assets $ 74,900 $ 74,900 $ 74,900