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Goodwill and Intangibles - Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Intangible assets:
Cost	$ 302,887	$ 273,812
Accumulated Amortization	(233,294)	(196,199)
Net	69,593	77,613
Technology
Intangible assets:
Cost	105,642	99,832
Accumulated Amortization	(94,867)	(83,608)
Net	10,775	16,224
Customer lists and relationships
Intangible assets:
Cost	131,500	125,308
Accumulated Amortization	(101,468)	(86,555)
Net	30,032	38,753
Capitalized software and patents
Intangible assets:
Cost	63,268	46,222
Accumulated Amortization	(34,482)	(23,586)
Net	28,786	22,636
Trade name
Intangible assets:
Cost	2,477	2,450
Accumulated Amortization	(2,477)	(2,450)
Net	$ 0	$ 0

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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