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Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Loss Contingencies [Line Items] |  |  |
Matching contributions and plan administrative expenses | $ 2.8 | $ 2.5 | $ 2.3
Minimum | Prepaid Agreements |  |  |
Loss Contingencies [Line Items] |  |  |
Agreements, Term of Contract | 1 year |  |
Minimum | Consulting Agreement |  |  |
Loss Contingencies [Line Items] |  |  |
Agreements, Term of Contract | 1 year |  |
Minimum | Employment Agreement |  |  |
Loss Contingencies [Line Items] |  |  |
Agreements, Term of Contract | 3 years |  |
Maximum | Prepaid Agreements |  |  |
Loss Contingencies [Line Items] |  |  |
Agreements, Term of Contract | 10 years |  |
Maximum | Consulting Agreement |  |  |
Loss Contingencies [Line Items] |  |  |
Agreements, Term of Contract | 5 years |  |
Maximum | Employment Agreement |  |  |
Loss Contingencies [Line Items] |  |  |
Agreements, Term of Contract | 5 years |  |

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- Definition Othe Commitment, Term of Contract + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + 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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