Fair Value Measurements Fair Value Measurements (Change in Contingent Consideration) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2016		Sep. 30, 2015	Sep. 30, 2016		Sep. 30, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 2,986		$ 0	$ 2,945	[1]	$ 0
Initial recognition	0		2,904	0		2,904
Change in fair value of contingent consideration	(939)		16	(898)		16
Payments	0		0	0		0
Balance at end of period	$ 2,047	[1]	$ 2,920	$ 2,047	[1]	$ 2,920

[1] The contingent consideration liability is included in other liabilities in the Consolidated Balance Sheets.