Fair Value Measurements Level 3 Liabilities (Details) - Recurring [Member] - Level 3 [Member] - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Business Combination, Contingent Consideration Arrangements, Change In Contingent Consideration Liability [Roll Forward]
Balance, Beginning of Period	$ 377	$ 6,940
Cash payment	(167)	(2,883)
Change in fair value of contingent consideration	0	(3,680)
Balance, End of Period	$ 210	$ 377