Property and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2020

Property, Plant and Equipment [Abstract]

Schedule of components of property and equipment, net

Property and equipment, net consists of the following:

		September 30,		December 31,
	Estimated Useful Life	2020		2019
Cost:
Computer equipment and software	3 years	$	72,572	$	72,190
Leasehold improvements	Shorter of the lease term or useful life of the asset	37,840		34,645
Office furniture and fixtures	3-7 years	11,036		10,832
Office equipment and other	3-5 years	7,016		6,850
Building and building improvements	7-39 years	2,669		2,647
Land	Not applicable	940		940
		132,073		128,104
Less: accumulated depreciation and amortization		(83,090)		(74,348)
Total property and equipment, net		$	48,983	$	53,756

Depreciation and amortization expense was as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
Depreciation and amortization expense	$	5,341	$	4,693	$	16,021	$	15,810