Trade Receivables (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Receivables [Abstract]
Trade receivables	$ 46,073	$ 26,368
Allowance for doubtful accounts	(918)	(108)
Total trade receivable	45,155	26,260
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance, January 1	108	53	$ 93
Charges to bad debt expense	786	104	588
Recoveries (write-offs), net	24	(49)	(628)
Balance, December 31	$ 918	$ 108	$ 53