Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Furniture, Equipment and Leasehold Improvements, Net - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Property Plant And Equipment Useful Life And Values [Abstract]        
Depreciation expense $ 184 $ 270 $ 553 $ 544