Summary of Significant Accounting Policies Related Party Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Change in unrealized loss on hedge contracts	$ 0	$ (40)	$ (49)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net
Minimum [Member]
Due From Related Parties Term of Note	2 years
Maximum [Member]
Due From Related Parties Term of Note	5 years
Entity employee [Member]
Due from Related Parties	$ 100	$ 100