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Significant Accounting Policies Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Significant Accounting Policies [Abstract] |  |
PortionOfTaxBenefitRecordedPositionsMoreLikelyThanNotToBeSustained | 50.00% |
Valuation Allowance Against Any Deferred Tax Asset | $ 0 | $ 0
Cash, FDIC Insured Limit | $ 300 |

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- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. + References No definition available. + Details
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