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Property, Plant and Equipment, net (Tables)
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, net
Property, plant and equipment, net as of December 31, 2021 and 2020 consisted of the following:
December 31,
Useful life (in years)20212020
Computer equipment and software
3 - 5
$9,267 $12,332 
Furniture and equipment
5 - 7
1,060 1,168 
Leasehold and building improvements (1)
3,821 4,282 
Property, plant, and equipment, excluding internal-use software14,148 17,782 
Less: Accumulated depreciation and amortization(10,857)(12,837)
Property, plant and equipment, excluding internal-use software, net3,291 4,945 
Internal-use software
3
43,314 38,488 
Construction in progress - Internal-use software1,082 1,616 
Less: Accumulated depreciation and amortization - internal-use software(35,321)(31,947)
Internal-use software, net9,075 8,157 
Property, plant and equipment, net$12,366 $13,102 
(1) Useful lives for leasehold and building improvements represent the term of the lease or the estimated life of the related improvements, whichever is shorter.