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Intangible and Other Non-Current Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]      
Other Assets, Noncurrent $ 42   $ 50
Deferred Costs and Other Assets 14,878   14,957
Tradenames [Member]      
Finite-Lived Intangible Assets [Line Items]      
Other Assets, Noncurrent 11,663   11,663
Noncompete Agreements [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Net 3,173   3,244
Finite-Lived Intangible Assets, Accumulated Amortization 5,637   $ 5,501
Amortization of Intangible Assets $ 136 $ 102  
Noncompete Agreements [Member] | Minimum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, useful life 1 year    
Noncompete Agreements [Member] | Maximum [Member]      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, useful life 10 years