Intangible and Other Non-Current Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Other Assets, Noncurrent	$ 23		$ 23		$ 50
Deferred Costs and Other Assets	14,616		14,616		14,957
Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Other Assets, Noncurrent	11,663		11,663		11,663
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	2,930		2,930		3,244
Finite-Lived Intangible Assets, Accumulated Amortization	5,908		5,908		$ 5,501
Amortization of Intangible Assets	$ 135	$ 106	$ 407	$ 308
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