Credit Facilities and Long-Term Debt, Deferred Financing Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Amortization for Future Years [Abstract]
2016	$ 330
2017	330
2018	330
2019	330
2020	277
Total amortization	1,597	$ 2,300
Amount capitalized in relation to amendment of revolving credit facility	700
Write off of Deferred Debt Issuance Cost	$ 773	$ 0	$ 0