Property and Equipment

6 Months Ended

Jun. 30, 2021

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

The components of property and equipment were as follows:

	Useful Lives (Years)	June 30, 2021		December 31, 2020
Leasehold improvements	Shorter of lease term or economic life	$	33,467	$	29,558
Website and software development costs	2 - 3	42,330		33,278
Computer and office equipment	3 - 5	12,462		7,765
Software	3	1,871		1,858
Furniture	7	7,816		7,450
Property and equipment, gross		97,946		79,909
Accumulated depreciation and amortization		(49,713)		(41,614)
Construction in progress		5,674		5,693
Property and equipment, net		$	53,907	$	43,988

Depreciation and amortization expense for property and equipment amounted to $4,751 and $3,435 for the three months ended June 30, 2021 and 2020, respectively, and $8,970 and $6,621 for the six months ended June 30, 2021 and 2020, respectively. We capitalized software development costs, including stock-based compensation, of $5,045 and $2,836 for the three months ended June 30, 2021 and 2020, respectively, and $8,410 and $5,513 for the six months ended June 30, 2021 and 2020, respectively.