Equity Method Investments Equity Method Investments (Narrative) (Details) - Pennant
$ in Millions
9 Months Ended
Sep. 30, 2015
USD ($)
Schedule of Equity Method Investments [Line Items]  
Equity Method Investment, Initial Ownership Percentage 5.00%
Equity Method Investment, Ownership Percentage 47.50%
Cash Received from Buy-In $ 12.7
Gain on Buy-In $ 2.9
Maximum [Member]  
Schedule of Equity Method Investments [Line Items]  
Equity Method Investment, Ownership Percentage 33.33%
Previous [Member]  
Schedule of Equity Method Investments [Line Items]  
Equity Method Investment, Ownership Percentage 50.00%