XML 45 R33.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accounts Receivable (Summary of Accounts Receivable) (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable gross $ 501,823 $ 473,300
Less: Allowance (6,145) (5,281)
Less: Long-term portion of accounts receivable, net (49,065) (50,305)
Total accounts receivable, net $ 446,613 417,714
Period that contracts in transit are outstanding 10 days  
Threshold period for interest to bear on receivables 60 days  
Contracts in transit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable gross $ 225,564 233,506
Trade receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable gross 45,243 45,193
Vehicle receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable gross 53,166 43,937
Manufacturer receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable gross 85,307 76,948
Auto loan receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable gross 75,651 69,859
Other receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable gross $ 16,892 $ 3,857