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Fixed Assets - Summary of Fixed Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Abstract]    
Land $ 3,103 $ 3,103
Buildings and leasehold improvements 18,054 17,837
Furniture, fixtures and equipment 6,136 4,892
Capitalized software 1,305 1,030
Fixed assets, gross 28,598 26,862
Less accumulated depreciation and amortization 13,688 12,020
Fixed assets, net $ 14,910 $ 14,842