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Subsequent Events - Additional Information (Detail) (USD $)
0 Months Ended
Jun. 30, 2014
Jul. 15, 2014
Subsequent Events [Member]
Jul. 01, 2014
Subsequent Events [Member]
Jul. 15, 2014
First Lien Runoff Notes [Member]
Subsequent Events [Member]
Jul. 15, 2014
Second Lien Runoff Notes [Member]
Subsequent Events [Member]
Subsequent Event [Line Items]          
Restricted cash $ 79,800,000        
Restricted cash used to pay principal amount   16,200,000 62,700,000    
Restricted cash used to pay interest amount   257,000 679,000    
Remaining outstanding balance amount       $ 2,900,000 $ 26,500,000