XML 43 R30.htm IDEA: XBRL DOCUMENT v3.5.0.2
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Millions
Jun. 30, 2016
Dec. 31, 2015
Summary Of Significant Accounting Policies [Line Items]    
Maximum Ownership Percent Consider Under Cost Method Investments 20.00%  
Minimum [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Equity Method Investment, Ownership Percentage 20.00%  
Secured Debt [Member]    
Summary Of Significant Accounting Policies [Line Items]    
Deferred Finance Costs, Net $ 5.2 $ 3.9