Borrowings (Narrative) (Details) - Federal Home Loan Bank [Member] - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Federal Home Loan Bank, Advances [Line Items]
Aggregate borrowings from FHLB	$ 13.5	$ 25.0
Amount available	$ 143.8
Minimum [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rates on FHLB advances ranged from	1.21%
Maximum [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rates on FHLB advances ranged from	3.01%
Weighted Average [Member]
Federal Home Loan Bank, Advances [Line Items]
Interest rates on FHLB advances ranged from	2.12%

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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-Name Accounting Standards Codification
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-SubTopic 210
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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