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Nature of Operations and Summary of Significant Accounting Policies - Restrictions on Cash and Due From Banks (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Nature of Operations and Summary of Significant Accounting Policies |  |
Federal Reserve Bank Reserve Fund | $ 0 | $ 69,400,000

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- Definition Represents the monetary amount of Federal Reserve Bank Reserve Fund, as of the indicated date. + References No definition available. + Details
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Balance Type: | debit
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