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Securities, Securities with Unrealized Losses, Securities Pledged as Collateral and Holdings of Securities by One Issuer in Amount Greater Than 10% of Stockholders' Equity (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Securities Available-for-Sale [Abstract] |  |
Securities collateral pledged | $ 64.4 | $ 53.2
Securities of any one issuer, other than U.S. Government, exceeding 10% of stockholders' equity | 0.0 | 0.0
Asset Pledged as Collateral [Member] | Deposits [Member] |  |
Debt Securities Available-for-Sale [Abstract] |  |
Securities pledged to secure public deposits | 0.0 | 0.0
Federal Agency Mortgage-backed Securities [Member] |  |
Debt Securities Available-for-Sale [Abstract] |  |
Securities collateral pledged | 11.9 | 25.9
Federal Agency Debt [Member] |  |
Debt Securities Available-for-Sale [Abstract] |  |
Securities collateral pledged | 33.3 | 13.3
US Treasury Securities [Member] |  |
Debt Securities Available-for-Sale [Abstract] |  |
Securities collateral pledged | $ 19.2 |
SBA Pools [Member] |  |
Debt Securities Available-for-Sale [Abstract] |  |
Securities collateral pledged |  | 9.8
Federal Agency CMO [Member] |  |
Debt Securities Available-for-Sale [Abstract] |  |
Securities collateral pledged |  | $ 4.2

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- Definition Represents risk arising from securities held by individual issuers in an amount exceeding 10% of stockholders' equity. Excludes U.S. Government and its agencies. + References No definition available. + Details
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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969 + Details
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- Definition Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226038-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d)(2) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226016-175313 + Details
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