Segment Information - Additional Information (Details)	12 Months Ended
	Dec. 31, 2015 customer segment	Dec. 31, 2014 customer	Dec. 31, 2013
Segment Reporting Information [Line Items]
Number of segments	2
Number of reportable segments	2
Number of significant customers that accounted for more than 10% of accounts receivables | customer	0	0
Sales Revenue, Net
Segment Reporting Information [Line Items]
Number of significant customers that accounted for more than 10% of accounts receivables	0	0	0
Concentration Risk, Country, Number	0.00%	0.00%	0.00%
Property, Plant and Equipment
Segment Reporting Information [Line Items]
Concentration Risk, Country, Number	0.00%	0.00%	0.00%