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Related Party Transactions (Detail) - USD ($)
12 Months Ended
Feb. 26, 2016
Dec. 04, 2014
Dec. 03, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Sep. 30, 2015
Mar. 31, 2014
Related Party Transaction [Line Items]                
Accounts payable to affiliate, net       $ 2,291,000 $ 3,333,000      
Related party expenses       40,787,000 35,613,000 $ 7,736,000    
Distribution received from equity method investee       $ 0 4,835,000 0    
Former Chief Executive Officer [Member]                
Related Party Transaction [Line Items]                
Accrued costs for settlement agreement         $ 915,000      
Settlement Agreement [Member]                
Related Party Transaction [Line Items]                
Related party expenses     $ 3,701,000          
Due to related party, reasonable out-of-pocket expense reimbursement, expense cap amount     $ 1,775,000          
Reimbursement requests submitted and accrued for           $ 1,764,000    
ICP [Member]                
Related Party Transaction [Line Items]                
Distribution received from equity method investee   $ 4,835,000            
Equity method ownership percentage (percent)       30.00%     30.00% 30.00%
Subsequent Event [Member] | ICP [Member]                
Related Party Transaction [Line Items]                
Distribution received from equity method investee $ 3,300,000              
Equity method ownership percentage (percent) 30.00%