Commitments and Contingencies Operating Leases (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating Leases [Abstract]
2014	$ 3,494,000
2015	2,374,000
2016	1,419,000
2017	734,000
2018	457,000
2019 and thereafter (through 2020)	228,000
Total future minimum lease commitments	8,706,000
Operating Leases, Rent Expense, Net	$ 3,600,000	$ 4,200,000	$ 5,400,000