Goodwill and Other Intangible Assets Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment (Note 6)	$ 85,900	$ 85,890	$ 0	$ 0