Property and Equipment, net

9 Months Ended

Sep. 30, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment, net

Property and Equipment, net

The following table summarizes property and equipment, net as of September 30, 2015 and December 31, 2014 (in thousands):

	September 30, 2015			December 31, 2014
Furniture and computer equipment	$	60,881		$	48,399
Site and software development costs	47,653			36,294
Leasehold improvements	27,351			14,290
Construction in progress	9,556			4,800
	145,441			103,783
Less accumulated depreciation and amortization	(56,799		)	(43,144		)
Property and equipment, net	$	88,642		$	60,639

Property and equipment depreciation and amortization expense was $9.0 million and $5.3 million for the three months ended September 30, 2015 and 2014, respectively, and $22.7 million and $13.6 million for the nine months ended September 30, 2015 and 2014, respectively.