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Condensed Consolidating Financial Information (Narrative) (Details)
$ in Thousands
1 Months Ended
Feb. 28, 2013
USD ($)
Sep. 30, 2015
Condensed Financial Statements, Captions [Line Items]    
Subsidiary guarantors, percentage ownership   100.00%
7.75% Senior Secured Notes Due 2021 [Member] | Secured Debt [Member]    
Condensed Financial Statements, Captions [Line Items]    
Interest Rate   7.75%
Covenant, Indenture Threshold for Earnings for Payment of Dividends $ 75,000  
Covenant, Leverage Ratio Requirement 3.0  
Covenant, Secured Leverage Ratio Requirement 1.5