Property and Equipment

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

Property and equipment consisted of the following as of December 31, 2023 and 2022 (in thousands, except years):

	December 31, 2023		December 31, 2022		Estimated Useful Life (in years)
Computer and networking equipment	$	2,456,470	$	2,139,518	3-7
Purchased software	96,979		89,695		3-10
Furniture and fixtures	67,657		71,427		1-7
Office equipment	40,546		41,866		3-5
Leasehold improvements	214,712		229,037		1-15
Internal-use software	1,829,933		1,529,264		2-10
Property and equipment, gross	4,706,297		4,100,807
Accumulated depreciation and amortization	(2,880,353)		(2,560,625)
Property and equipment, net	$	1,825,944	$	1,540,182

Depreciation and amortization expense on property and equipment and capitalized internal-use software for the years ended December 31, 2023, 2022 and 2021 was $504.0 million, $527.8 million and $502.6 million, respectively. During the years ended December 31, 2023, 2022 and 2021, the Company capitalized $81.8 million, $32.3 million and $35.0 million, respectively, of stock-based compensation related to employees who developed and enhanced internal-use software applications.

During the years ended December 31, 2023 and 2022, the Company wrote off $174.3 million and $210.2 million, respectively, of property and equipment, gross, along with the associated accumulated depreciation and amortization. The write-offs were primarily related to computer and networking equipment and internal-use software no longer in use. These assets had been substantially depreciated and amortized. In addition, the Company wrote off $13.8 million and $9.1 million during the years ended December 31, 2023 and 2022, respectively, related to internal-use software and facility-related property and equipment as a result of certain restructuring actions.