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, 2016
Dec. 31, 2015
Property Plant And Equipment Useful Life And Values [Abstract]    
Leasehold improvements $ 3,877 $ 3,874
Furniture and equipment 5,319 5,157
Artwork 459 429
Total cost 9,655 9,460
Accumulated depreciation and amortization (7,403) (7,035)
Furniture, equipment and leasehold improvements, net $ 2,252 $ 2,425