Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2017

Property, Plant and Equipment [Abstract]

Property and Equipment

A summary of property and equipment at December 31, 2016 and June 30, 2017 is as follows:

		December 31, 2016	June 30, 2017
	Useful Lives
	(years)
Leasehold improvements	Shorter of lease term or economic life	$4,911	$15,350
Website and software development costs	1-3	10,114	12,146
Computer and office equipment	3	2,846	3,350
Software	3	1,367	1,367
Furniture	7	2,406	2,836
Construction in progress		10,856	—
		32,500	35,049
Accumulated depreciation and amortization		(13,274)	(12,912)
Property and equipment, net		$19,226	$22,137