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Available for Sale Securities - Amortized cost, gross unrealized gains, gross unrealized losses, ACL, and approximate fair value of securities available for sale (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Jun. 30, 2022
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Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | $ 260,164 | $ 257,760
Gross Unrealized Gains | 15 | 109
Gross Unrealized Losses | (25,063) | (22,475)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | 235,116 | 235,394
US States and Political Subdivisions Debt Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | 47,532 | 47,383
Gross Unrealized Gains | 15 | 77
Gross Unrealized Losses | (3,661) | (2,981)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | 43,886 | 44,479
Corporate Obligations |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | 20,821 | 20,818
Gross Unrealized Gains |  | 32
Gross Unrealized Losses | (1,309) | (963)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | 19,512 | 19,887
Other Debt Obligations |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | 2,680 | 486
Gross Unrealized Losses | (49) | (43)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | 2,631 | 443
Debt and Equity Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | 71,033 | 68,687
Gross Unrealized Gains | 15 | 109
Gross Unrealized Losses | (5,019) | (3,987)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | 66,029 | 64,809
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | 76,837 | 76,345
Gross Unrealized Losses | (7,788) | (7,177)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | 69,049 | 69,168
Commercial MBS issued by GSEs |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | 56,319 | 51,435
Gross Unrealized Losses | (6,944) | (5,705)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | 49,375 | 45,730
CMOs issued by GSEs |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | 55,975 | 61,293
Gross Unrealized Losses | (5,312) | (5,606)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | 50,663 | 55,687
Total MBS and CMOs |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total AFS securities, Amortized Cost | 189,131 | 189,073
Gross Unrealized Losses | (20,044) | (18,488)
Allowance for Credit Losses | 0 | 0
Estimated Fair Value | $ 169,087 | $ 170,585

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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