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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Income Taxes [Line Items] |  |
Net operating loss carryforwards | $ 41,900 | $ 43,900
Accrued interest payable related to uncertain tax positions | 112 | $ 131
Undistributed earnings of domestic subsidiaries | 35,100 |
Additional taxes if interest in all businesses is sold rather than to effect a tax-free liquidation | $ 8,400 |
Maximum [Member] |  |
Income Taxes [Line Items] |  |
Net operating losses expiration year | 2042 |
Minimum [Member] |  |
Income Taxes [Line Items] |  |
Net operating losses expiration year | 2023 |

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- Definition Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of domestic subsidiaries. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 + Details
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