Annual report pursuant to Section 13 and 15(d)

Furniture, Equipment and Leasehold Improvements, Net - Additional Information (Detail)

v3.3.1.900
Furniture, Equipment and Leasehold Improvements, Net - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Property Plant And Equipment Useful Life And Values [Abstract]      
Depreciation expense $ 719 $ 546 $ 423