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Intangible and Other Non-Current Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]          
Other Assets, Noncurrent $ 0   $ 0   $ 210
Deferred Costs and Other Assets 14,307   14,307   10,978
Noncompete Agreements [Member]          
Finite-Lived Intangible Assets [Line Items]          
Increase to tradenames     400    
Tradenames [Member]          
Finite-Lived Intangible Assets [Line Items]          
Other Assets, Noncurrent 12,085   12,085   8,856
Increase to tradenames     3,200    
Debt, Excluding Convertible Junior Subordinated Debentures [Member]          
Finite-Lived Intangible Assets [Line Items]          
Accumulated Amortization of Noncurrent Deferred Finance Costs 3,137   3,137   2,809
Convertible Subordinated Notes [Member]          
Finite-Lived Intangible Assets [Line Items]          
Accumulated Amortization of Noncurrent Deferred Finance Costs 735   735   375
Noncompete Agreements [Member]          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Assets, Net 2,222   2,222   1,912
Finite-Lived Intangible Assets, Accumulated Amortization 0   0   $ 5,404
Amortization of Intangible Assets $ 100 $ 100 $ 200 $ 100  
Noncompete Agreements [Member] | Minimum [Member]          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Asset, Useful Life     1 year    
Noncompete Agreements [Member] | Maximum [Member]          
Finite-Lived Intangible Assets [Line Items]          
Finite-Lived Intangible Asset, Useful Life     10 years