Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Selling, general and administrative expenses, related party	[1]	$ 0	$ 45	$ 37
Interest expense, related party	[1]	$ 0	$ 7	$ 30

[1] Represents transactions with West Central prior to the Company's determination that West Central was no longer a related party.