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Property and Equipment
3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
The components of property and equipment were as follows:

Useful Lives (Years)March 31, 2022December 31, 2021
Leasehold improvementsShorter of lease term or economic life$33,480 $33,455 
Website and software development costs
2 - 3
52,818 50,439 
Computer and office equipment
3 - 5
15,763 14,216 
Software31,871 1,871 
Furniture78,102 8,091 
Property and equipment, gross112,034 108,072 
Accumulated depreciation and amortization(65,236)(59,766)
Construction in progress14,038 10,365 
Property and equipment, net$60,836 $58,671 

Depreciation and amortization expense for property and equipment amounted to $5,887 and $4,219 for the three months ended March 31, 2022 and 2021, respectively. We capitalized website and software development costs, including stock-based compensation, of $6,115 and $3,365 for the three months ended March 31, 2022 and 2021, respectively.