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Federal Home Loan Bank and Short-term Borrowings - Derivatives (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($) item contract | Dec. 31, 2020 USD ($)
Derivative [Line Items] |  |
Number of interest rate swap designated as cash flow | item | 3 |
Derivative, Notional Amount | $ 20,000,000 |
Term | 5 years |
Assets/ Liabilities | $ (442,000) | $ (949,000)
Unrealized Gain (Loss) AOCI | (321,000) | (689,000)
Interest expense recorded on these swap transactions | (404,000) | (241,000)
Fair value of cash or investment securities pledged as collateral | $ 1,175,000 | 949,000
Interest Rate Swap On FHLB Advance [Member] | Interest Rate Contract [Member] |  |
Derivative [Line Items] |  |
Number of derivative become effect in july and august 2018 | 2 |
Interest rate swap on FHLB advance maturing on October 2022 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 10,000,000 |
Pay Rate | 2.105% |
Receive Rate | 3M LIBOR |
Assets/ Liabilities | $ (174,000) | (387,000)
Unrealized Gain (Loss) AOCI | (126,000) | (281,000)
Interest expense recorded on these swap transactions | (194,000) | (113,000)
Interest rate swap on FHLB advance maturing on July 2023 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 5,000,000 |
Pay Rate | 2.235% |
Receive Rate | 3M LIBOR |
Assets/ Liabilities | $ (136,000) | (281,000)
Unrealized Gain (Loss) AOCI | (99,000) | (204,000)
Interest expense recorded on these swap transactions | (105,000) | (63,000)
Interest rate swap on FHLB advance maturing on August 2023 |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 5,000,000 |
Pay Rate | 2.246% |
Receive Rate | 3M LIBOR |
Assets/ Liabilities | $ (132,000) | (281,000)
Unrealized Gain (Loss) AOCI | (96,000) | (204,000)
Interest expense recorded on these swap transactions | $ (105,000) | $ (65,000)

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- Definition The reference rate for the variable rate of the derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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