Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Components of Property and Equipment (Detail)

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Property and Equipment - Components of Property and Equipment (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 2,658 $ 377
Less: Accumulated depreciation (60) (68)
Property and equipment, net 2,598 309
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 391 13
Useful Life (Years) 3 years  
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 338 69
Useful Life (Years) 5 years  
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 20 21
Useful Life (Years) 5 years  
Construction in progress [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment [1] $ 1,909 $ 274
[1] For build-out of the Company's new office in New York, NY.