Commitments And Contingencies (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Nov. 20, 2013 customer	Sep. 30, 2013
Loss Contingencies [Line Items]
Restricted cash	$ 60,000	$ 8,000,000	$ 8,000,000	$ 0
Release of Restricted Cash	7,900,000
Number Of Customers Reimbursed			14,000
Customer reimbursement expense paid	6,400,000
Enova [Member]
Loss Contingencies [Line Items]
Lease Term	12 years
Lease Renew Term	2 years 6 months
Leased Area	160,000
Incentive from Lessor	9,800,000
Rent Abatements	$ 8,500,000