Quarterly report pursuant to Section 13 or 15(d)

Furniture, Equipment and Leasehold Improvements, Net - Summary of Furniture, Equipment and Leasehold Improvements, Net (Detail)

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Furniture, Equipment and Leasehold Improvements, Net - Summary of Furniture, Equipment and Leasehold Improvements, Net (Detail) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Property Plant And Equipment Useful Life And Values [Abstract]    
Leasehold improvements $ 3,874 $ 3,766
Furniture and equipment 5,007 4,496
Artwork 423 421
Total cost 9,304 8,683
Accumulated depreciation and amortization (6,602) (6,329)
Furniture, equipment and leasehold improvements, net $ 2,702 $ 2,354