Commitments and Contingencies (Environmental) (Details) (USD $)	3 Months Ended			12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Site Contingency [Line Items]
Loss Contingency Accrual, Carrying Value, Payments	$ 1,000,000	$ 1,750,000	$ 750,000		$ 1,750,000
Accrual, Present Value				0	0	4,250,000
Environmental remediation charges				0	3,522,000	0
Cash Payments				$ 0	$ (7,772,000)