XML 89 R75.htm IDEA: XBRL DOCUMENT v3.3.1.900
Equity Investments and Other Investments - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Equity Method Investments And Joint Ventures [Abstract]      
Equity investments in non-consolidated businesses $ 73,368 $ 65,637  
Equity investment income $ 18,325 $ 23,234 $ 34,558