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Income Taxes (Narrative) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Operating Loss Carryforwards [Line Items] |
Net operating loss carryforward | $ 4,252
Net operating loss carryforward, expiration date | Dec. 31, 2035
Earliest Tax Year [Member] |
Operating Loss Carryforwards [Line Items] |
Open Tax Year | 2017

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