Other Assets - Changes in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Changes to carrying amount
Goodwill Beginning Balance (net of $0 of accumulated impairment)	$ 9,694	$ 10,179
Acquisitions	0	0
Impairment	0	0
Foreign currency adjustment	(1,216)	(485)
Goodwill Ending Balance (net of $0 accumulated impairment)	$ 8,478	$ 9,694