GOODWILL AND OTHER INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER INTANGIBLE ASSETS

7. GOODWILL AND OTHER INTANGIBLE ASSETS

Goodwill

(in thousands)	2021		2020
January 1,	$	79,231	$	79,039
Acquisition	2,701		—
Currency translation adjustments	(9)		192
December 31,	$	81,923	$	79,231

Intangibles

Intangible assets are recorded at cost and amortized using the straight-line method over their estimated useful lives:

		December 31, 2021
(in thousands)	Useful Lives	Cost		Accumulated 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.

		December 31, 2020
(in thousands)	Useful Lives	Cost		Accumulated Amortization		Net Book Value (1)
Client-related	4-10 years	$	63,168	$	(55,877)	$	7,291
Technology	2-10 years	64,843		(56,386)		8,457
Other	1-5 years	5,361		(5,361)		—
		$	133,372	$	(117,624)	$	15,748

(1) Included in other long-term assets.

Amortization of intangible assets was:

(in thousands)	2021		2020		2019
Cost of revenue	$	2,516	$	2,487	$	3,500
Selling and marketing	1,471		1,483		3,125
	$	3,987	$	3,970	$	6,625

Future estimated intangible assets amortization:

(in thousands)	December 31, 2021
2022	$	3,886
2023	3,618
2024	2,849
2025	2,509
2026 and thereafter	1,201
	$	14,063