Fair Value Measurement (Liabilities on Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financial liabilities measured at fair value on a recurring basis
Contingent Liability, Fair Value Disclosure	$ 4,913	$ 4,913
Total liabilities at fair value	4,913	4,913
Level 1
Financial liabilities measured at fair value on a recurring basis
Contingent Liability, Fair Value Disclosure	0	0
Level 2
Financial liabilities measured at fair value on a recurring basis
Contingent Liability, Fair Value Disclosure	0	0
Total liabilities at fair value	0	0
Level 3
Financial liabilities measured at fair value on a recurring basis
Contingent Liability, Fair Value Disclosure	4,913	4,913
Total liabilities at fair value	$ 4,913	$ 4,913