Property and Equipment

3 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Abstract]

Property and equipment is summarized as follows (in thousands):



	As of March 31, 2019			As of December 31, 2018
Computer equipment and software	$	155,112		$	148,104
Furniture and fixtures	10,028			10,020
Leasehold improvements	18,780			18,822
Property and equipment	183,920			176,946
Less accumulated depreciation	(111,367		)	(100,758		)
Property and equipment, net	$	72,553		$	76,188

Depreciation and amortization expense related to property and equipment was $10.6 million and $9.5 million for the three months ended March 31, 2019 and 2018, respectively. Depreciation and amortization expense is included in cost of revenue and general and administrative expense in the Consolidated Statements of Operations based on the nature of the asset being depreciated.

Capitalized Internal-Use Software

The Company capitalized costs related to the development of internal-use software of $6.5 million and $9.6 million for the three months ended March 31, 2019 and 2018, respectively. Capitalized amounts are included as a component of property and equipment under computer equipment and software on the Consolidated Balance Sheets.

The portion of total depreciation expense related to capitalized internal-use software was $7.3 million and $5.4 million for the three months ended March 31, 2019 and 2018, respectively. Depreciation expense related to capitalized internal-use software is included in cost of revenue and general and administrative expense in the Consolidated Statements of Operations.

As of March 31, 2019 and December 31, 2018, the Company had capitalized internal-use software of $47.4 million and $48.2 million, respectively, net of accumulated depreciation, which was included in property and equipment, net.