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Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets not subject to amortization | $ 55,613 | $ 51,864 |
Cost of additions reduced by recognition of tax credits | 2,224 | 2,639 | $ 1,022
Capitalized cost of software under development | $ 291 | $ 299 | $ 402
Interest costs, weighted average rate | 2.48% | 3.04% | 4.01%
Weighted average amortization period | 9 years | 9 years 1 month 6 days | 7 years 9 months 18 days

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- Definition Acquired Intangible Assets, Tax Credit Reduction + References No definition available. + Details
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- Definition Finite and Indefinite-Lived intangible assets not subject to amortization + References No definition available. + Details
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- Definition Interest Costs Related To Qualifying Assets, Weighted Average Rate + References No definition available. + Details
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- Definition Additions made to capitalized computer software costs during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 + Details
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