Fair Value (Schedule of Reconciliation of Fair Value of Recurring Level 3 Fair Value Measurements) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance		$ 5,460	$ 6,720	$ 5,340	$ 6,570
Additions to contingent consideration obligation		0	0	0	0
Total changes in fair value included in earnings		125	150	245	300
Ending balance		5,585	6,870	5,585	6,870
Unrealized losses still held	[1]	$ 125	$ 150	$ 245	$ 300

[1] Represents the unrealized losses recorded in earnings or other comprehensive income (loss) during the period for liabilities classified as Level 3 that are still held at the end of the period.