Commitments and Contingencies Operating Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Capital Leases, Future Minimum Payments Due, Next Twelve Months	$ 2,363
2015	1,487
Operating Leases, Future Minimum Payments, Due in Three Years	769
2017	523
2018	228
2019 and thereafter (through 2020)	0
Total future minimum lease commitments	5,370
Operating Leases, Rent Expense, Net	$ 2,700	$ 3,600	$ 4,200