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Subordinated Notes (Narrative) (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Subordinated notes | $ 19,581,000 | $ 19,555,000
Debt issuance costs | $ 419,000,000.0 |
Redemption period | 5 years |
Minimum [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Amortization period | 5 years |
Maximum [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Amortization period | 10 years |
Maturing September 1, 2030 [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Subordinated notes | $ 15,000,000.0 |
Maturing September 1, 2035 [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Subordinated notes | 5,000,000.0 |
Through September 1, 2025 [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Subordinated notes | $ 15,000,000.0 |
Interest rate | 5.00% |
After September 1, 2025 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Basis spread on variable rate | 4.93% |
Through September 1, 2030 [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Subordinated notes | $ 5,000,000.0 |
Interest rate | 5.25% |
After September 1, 2030 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Basis spread on variable rate | 4.92% |
Subordinated Debt [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Subordinated notes | $ 20,000,000.0 |

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