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Available for Sale Securities - Investments Pledged as Collateral to Secure Public Deposits and Securities Sold Under Agreements to Repurchase (Details) - Pledged as collateral - Public deposits - USD ($) $ in Millions | Mar. 31, 2023 | Jun. 30, 2022
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Financial Instruments Owned and Pledged as Collateral [Line Items] |  |
Securities pledged as collateral | $ 243.6 | $ 198.3
Asset backed securities |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |
Securities pledged as collateral | 99.1 | 126.3
Collateralized Mortgage Obligations |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |
Securities pledged as collateral | 111.5 | 27.3
US States and Political Subdivisions Debt Securities [Member] |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |
Securities pledged as collateral | 24.4 | 42.3
Other Debt Obligations [Member] |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |
Securities pledged as collateral | $ 8.6 | $ 2.4

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- Definition 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. + 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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