XML 82 R71.htm IDEA: XBRL DOCUMENT v3.5.0.2
Accumulated Other Comprehensive Income (Loss) - Activity within Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance at December 31, 2015     $ 654,400  
Other comprehensive loss $ (2,228) $ (16,822) (4,887) $ (48,337)
Balance at September 30, 2016 694,762   694,762  
Accumulated Other Comprehensive Income (Loss)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance at December 31, 2015     (71,576)  
Balance at September 30, 2016 $ (76,463)   $ (76,463)