XML 44 R33.htm IDEA: XBRL DOCUMENT v3.5.0.2
Income Tax Expense - Additional Information (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]    
Unrecognized tax benefits exclusive of interest and penalties, gross $ 126 $ 82
Statute of limitations expiration period Until 2025