Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Parenthetical) (Detail)

v3.3.1.900
Intangible Assets (Parenthetical) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Intangible Assets [Line Items]      
Impairment of finite lived assets $ 992 $ 479 $ 708