v2.4.0.8
Debt (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Sep. 30, 2013
Debt Instrument [Line Items]      
Short-term Debt $ 451 $ 0 $ 0
Long-term debt      
Total current maturities of long-term debt 76,757 51,998 44,232
Total long-term debt, less current maturities 289,448 375,213 381,018
Nonrecourse
     
Debt Instrument [Line Items]      
Short-term Debt 0 0 0
Long-term debt      
Total current maturities of long-term debt 0 6,012 3,277
Total long-term debt, less current maturities 0 4,063 8,223
Recourse
     
Debt Instrument [Line Items]      
Short-term Debt 451 0 0
Long-term debt      
Total current maturities of long-term debt 76,757 45,986 40,955
Total long-term debt, less current maturities $ 289,448 $ 371,150 $ 372,795