Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Components of Property and Equipment

Depreciation is computed using the straight-line method over the following useful lives:

Computer hardware	2 to 3 years
Computer software	2 to 3 years
Furniture and equipment	3 to 5 years
Leasehold improvements	Term of lease

Property and equipment consisted of the following (in thousands):

	December 31,
	2020		2019
Computer hardware	$	159,180	$	164,547
Computer software	250,585		291,681
Furniture and equipment	91,112		88,136
Leasehold improvements	164,807		150,644
Property and equipment, cost	665,684		695,008
Accumulated depreciation	(555,867)		(566,623)
Property and equipment, net	$	109,817	$	128,385