Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Components of Property and Equipment, Net (Details)

v3.10.0.1
Property and Equipment - Components of Property and Equipment, Net (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Total, at cost $ 1,715,844 $ 1,677,749
Less accumulated depreciation (549,183) (527,379)
Subtotal 1,166,661 1,150,370
Less assets held for sale (3,875) (3,489)
Property and equipment, net 1,162,786 1,146,881
Land    
Property, Plant and Equipment [Line Items]    
Total, at cost 382,310 370,828
Building and improvements    
Property, Plant and Equipment [Line Items]    
Total, at cost 943,442 893,768
Software and computer equipment    
Property, Plant and Equipment [Line Items]    
Total, at cost 127,094 147,812
Parts and service equipment    
Property, Plant and Equipment [Line Items]    
Total, at cost 110,027 105,123
Office equipment and fixtures    
Property, Plant and Equipment [Line Items]    
Total, at cost 96,358 96,066
Company vehicles    
Property, Plant and Equipment [Line Items]    
Total, at cost 9,564 9,723
Construction in progress    
Property, Plant and Equipment [Line Items]    
Total, at cost $ 47,049 $ 54,429