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Property and Equipment
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
Property and equipment consisted of the following as of December 31, 2024 and 2023 (in thousands, except years):
 
December 31, 2024December 31, 2023Estimated Useful Life
(in years)
Computer and networking equipment$2,665,002 $2,456,470 
3-7
Purchased software88,033 96,979 
3-10
Furniture and fixtures63,876 67,657 
1-7
Office equipment36,340 40,546 
3-5
Leasehold improvements197,663 214,712 
1-15
Internal-use software2,103,054 1,829,933 
2-10
Property and equipment, gross5,153,968 4,706,297 
Accumulated depreciation and amortization(3,158,897)(2,880,353)
Property and equipment, net$1,995,071 $1,825,944 

Depreciation and amortization expense on property and equipment and capitalized internal-use software for the years ended December 31, 2024, 2023 and 2022 was $556.0 million, $504.0 million and $527.8 million, respectively. During the years ended December 31, 2024, 2023 and 2022, the Company capitalized $105.3 million, $81.8 million and $32.3 million, respectively, of stock-based compensation related to employees who developed and enhanced internal-use software applications.

During the years ended December 31, 2024 and 2023, the Company wrote off $250.6 million and $174.3 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 recorded a restructuring charge of $32.8 million and $13.8 million during the years ended December 31, 2024 and 2023, respectively, related to the impairment of internal-use software and facility-related property and equipment.