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Commitments and Contingencies Textuals (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Liabilty Recorded For Stanby Letter of Credit [Abstract] |  |
Liability Recorded For Standy Letters Of Credit | $ 25 | $ 39
Commitments Construction Contract | $ 25,300 |

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