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Property and Equipment, Net
 12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net Property and Equipment, Net
Property and equipment, net, consisted of the following:
As of December 31,
20232022
(in thousands)
Computer hardware and software$67,989 $62,945 
Buildings21,486 21,486 
Leasehold improvements332,721 225,647 
Furniture and equipment162,476 100,025 
Construction in progress90,038 80,267 
Total674,710 490,370 
Less: accumulated depreciation and amortization(264,384)(218,593)
Property and equipment, net$410,326 $271,777 
Depreciation and amortization expense on property and equipment was $87.3 million, $69.9 million, and $55.9 million for the years ended December 31, 2023, 2022, and 2021, respectively. Noncash property and equipment additions in accounts payable, accrued expenses and other current liabilities were $44.5 million, $28.0 million, and $14.2 million as of December 31, 2023, 2022, and 2021, respectively.
The following table lists property and equipment, net by geographic area:
As of December 31,
20232022
(in thousands)
United States$247,106 $214,857 
United Kingdom122,013 36,774 
Rest of world (1)
41,207 20,146 
Total property and equipment, net$410,326 $271,777 
(1)No individual country exceeded 10% of our total property and equipment, net for any period presented.