Property and Equipment

9 Months Ended

Sep. 30, 2018

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

A summary of property and equipment at September 30, 2018 and December 31, 2017 is as follows:

	Useful Lives (Years)	September 30, 2018			December 31, 2017
Leasehold improvements	Shorter of lease term or economic life	$	17,610		$	16,039
Website and software development costs	1-3	18,153			14,501
Computer and office equipment	3	2,678			2,192
Software	3	594			685
Furniture	7	3,636			3,039
Property and equipment, gross		42,671			36,456
Accumulated depreciation and amortization		(19,310		)	(14,138		)
Property and equipment, net		$	23,361		$	22,318

Depreciation and amortization expense for property and equipment amounted to $2,099 and $1,665 for the three months ended September 30, 2018 and 2017, respectively, and $5,757 and $4,960 for the nine months ended September 30, 2018 and 2017, respectively.