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Summary of Significant Accounting Principles - Additional Information (Detail)
Mar. 06, 2012
Mar. 31, 2017
Apr. 15, 2016
Kentucky Trailer      
Significant Accounting Policies [Line Items]      
Ownership of interest held by noncontrolling partners   21.00%  
Integrated Project Services LLC      
Significant Accounting Policies [Line Items]      
Ownership of interest held by noncontrolling partners   16.00%  
Bourn & Koch, Inc.      
Significant Accounting Policies [Line Items]      
Ownership of interest held by noncontrolling partners   11.00%  
Jazwares, LLC      
Significant Accounting Policies [Line Items]      
Ownership of interest held by noncontrolling partners   20.00% 20.00%
TransRe      
Significant Accounting Policies [Line Items]      
Business acquisition date Mar. 06, 2012    
Jazwares, LLC      
Significant Accounting Policies [Line Items]      
Ownership interest acquired     50.00%
Ownership Percentage by Parent     80.00%