Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property and Equipment

Depreciation and amortization is computed by use of the straight-line method over the estimated useful lives of the assets as stated below:

Computer equipment and related software	3 - 5 years
Leasehold and building improvements	Shorter of the lease term or the estimated useful life
Furniture and fixtures	5 - 7 years
Equipment	2 - 12 years

The following table represents the property and equipment balances as of December 31, 2020 and 2019:

	December 31,
	2020		2019
	(In thousands)
Equipment	$	81,034	$	88,569
Furniture and fixtures	7,498		7,925
Leasehold improvements	19,517		18,979
Software	50,230		48,309
Construction in progress	7,095		6,179
Property and equipment, gross (1)	165,374		169,961
Accumulated depreciation and amortization (1)	(106,301)		(115,715)
Total property and equipment, net	$	59,073	$	54,246

_________________________________________________

(1)     The change in balances between periods is primarily due to the disposal of certain fully depreciated property and equipment, partially offset by additions, and depreciation and amortization.

The following table summarizes the geographic information for property and equipment, net, as of December 31, 2020 and 2019:

	December 31,
	2020		2019
	(In thousands)
United States	$	53,203	$	48,769
Rest of world (1)	5,870		5,477
Total property and equipment, net	$	59,073	$	54,246

_________________________________________________

(1)    No individual country represented more than 10% of the total property and equipment, net.