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Significant Accounting Policies Stock-based compensation (Details) - USD ($) $ in Thousands | 12 Months Ended | 143 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Nov. 15, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based Compensation | $ 1,100 | $ 2,100 | $ 2,100 |
Scenario, Forecast [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based Compensation |  |  |  | $ 14,200

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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + 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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- Details
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