Property and Equipment, Net

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and Equipment, Net

The following summarizes our property and equipment (in thousands):

	As of December 31,
	2019			2018
Computer hardware	$	11,604		$	10,421
Furniture and equipment	3,649			3,187
Internal-use software development costs	112,501			81,640
Leasehold improvements	12,415			10,118
Total property and equipment	140,169			105,366
Accumulated depreciation and amortization expenses	(55,014		)	(31,738		)
Total property and equipment, net	$	85,155		$	73,628

The Company capitalized $30.9 million, $33.1 million and $27.1 million of internal-use software development costs for the years ended December 31, 2019, 2018 and 2017, respectively. The net book value of capitalized internal-use software development costs was $74.9 million and $62.8 million as of December 31, 2019 and 2018, respectively.

Depreciation expense related to property and equipment was $23.3 million, $17.3 million and $9.2 million for the years ended December 31, 2019, 2018 and 2017, respectively, of which amortization expense related to capitalized internal-use software development costs was $18.7 million, $12.4 million and $4.9 million, respectively.