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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Depreciation is calculated using the straight-line method over the estimated useful lives of the related assets as follows:
Useful Life
(Years)
Purchased and internal-use software
3
Building and building improvements
5–30
Land improvements
7
Furniture and office equipment
5
Computer hardware
3
Land
Indefinite
Leasehold improvements
Shorter of lease term
or useful life
Property and equipment, net, consisted of the following (in thousands):
As of December 31,
20212020
Building and building improvements
$29,856 $29,850 
Land
6,456 6,437 
Internal-use software
60,946 56,756 
Purchased software
2,609 3,370 
Furniture and office equipment
3,332 3,868 
Computer hardware
13,762 12,195 
Leasehold improvements
4,903 4,904 
Software development in-progress
1,178 4,305 
Total cost of property and equipment
123,042 121,685 
Less: accumulated depreciation and amortization
(76,029)(70,311)
Property and equipment, net
$47,013 $51,374