Commitments and Contingencies (Operating Lease Agreements) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Operating Leased Assets [Line Items]
Operating Leases, Rent Expense	$ 0.9	$ 0.9	$ 1.7	$ 1.7
Minimum
Operating Leased Assets [Line Items]
Lessee Leasing Arrangements, Operating Leases, Renewal Term			1 year
Maximum
Operating Leased Assets [Line Items]
Lessee Leasing Arrangements, Operating Leases, Renewal Term			6 years