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GOODWILL AND OTHER INTANGIBLE ASSETS
12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL AND OTHER INTANGIBLE ASSETS
7. GOODWILL AND OTHER INTANGIBLE ASSETS
Goodwill
(in thousands)
20222021
January 1,$81,923 $79,231 
Acquisition— 2,701 
Currency translation adjustments(524)(9)
December 31,$81,399 $81,923 
Intangibles
Intangible assets are recorded at cost and amortized using the straight-line method over their estimated useful lives:
December 31, 2022
(in thousands)Useful LivesCostAccumulated Amortization
Net Book Value (1)
Client-related
4-10 years
$63,076 $(58,623)$4,453 
Technology
2-10 years
68,056 (61,621)6,435 
Other
1-5 years
5,361 (5,361)— 
$136,493 $(125,605)$10,888 
(1) Included in other long-term assets.
December 31, 2021
(in thousands)Useful LivesCostAccumulated Amortization
Net Book Value (1)
Client-related
4-10 years
$63,165 $(57,342)$5,823 
Technology
2-10 years
67,142 (58,902)8,240 
Other
1-5 years
5,361 (5,361)— 
$135,668 $(121,605)$14,063 
(1) Included in other long-term assets.
Amortization of intangible assets was:
(in thousands)
202220212020
Cost of revenue$2,723 $2,516 $2,487 
Selling and marketing1,370 1,471 1,483 

$4,093 $3,987 $3,970 
Future estimated intangible assets amortization:
(in thousands)
December 31, 2022
2023$3,924 
20243,153 
20252,610 
2026874 
2027327 
$10,888