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Subsequent Events (Details) - Credit Facility [Member] - USD ($)
May 31, 2016
Mar. 31, 2016
Jun. 03, 2015
Credit Facility [Abstract]      
Maximum borrowing capacity     $ 125,000,000
Revolving Facility [Member]      
Credit Facility [Abstract]      
Maximum borrowing capacity   $ 100,000,000 100,000,000
Letter of Credit [Member] | Revolving Facility [Member]      
Credit Facility [Abstract]      
Maximum borrowing capacity     $ 15,000,000
Subsequent Event [Member] | Revolving Facility [Member]      
Credit Facility [Abstract]      
Maximum borrowing capacity $ 120,000,000    
Subsequent Event [Member] | Letter of Credit [Member] | Revolving Facility [Member]      
Credit Facility [Abstract]      
Maximum borrowing capacity $ 15,000,000