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Notes Receivable (Tables)
 12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Schedule of Notes Receivable
At December 31, notes receivable consisted of the following (in thousands):
 
December 31,
 
2014
 
2013
Independent contractor notes receivable
$
19,021

 
$
18,475

Other notes receivable
6,780

 
7,331

 
25,801

 
25,806

Less current portion
8,464

 
8,895

Notes receivable – non-current
$
17,337

 
$
16,911