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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 242,866 | $ 244,364
Accumulated Amortization | (134,603) | (136,955)
Accumulated Impairment Loss | 0 | (3,814)
Net Intangible Assets | 108,263 | 103,595
Contract and customer-related |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | 221,796 | 213,194
Accumulated Amortization | (116,385) | (110,917)
Accumulated Impairment Loss | 0 | (3,814)
Net Intangible Assets | 105,411 | 98,463
Acquired technologies |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | 12,400 | 12,400
Accumulated Amortization | (11,915) | (10,787)
Accumulated Impairment Loss | 0 | 0
Net Intangible Assets | 485 | 1,613
Trade names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | 8,670 | 18,770
Accumulated Amortization | (6,303) | (15,251)
Accumulated Impairment Loss | 0 | 0
Net Intangible Assets | $ 2,367 | $ 3,519

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- 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 + Details
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