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	Dec. 31, 2022	Jun. 30, 2022
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	$ 255,414	$ 257,760
Gross Unrealized Gains	25	109
Gross Unrealized Losses	(24,050)	(22,475)
Allowance for Credit Losses	0	0
Estimated Fair Value	231,389	235,394
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	47,396	47,383
Gross Unrealized Gains	25	77
Gross Unrealized Losses	(2,860)	(2,981)
Allowance for Credit Losses	0	0
Estimated Fair Value	44,561	44,479
Corporate Obligations
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	20,825	20,818
Gross Unrealized Gains		32
Gross Unrealized Losses	(1,516)	(963)
Allowance for Credit Losses	0	0
Estimated Fair Value	19,309	19,887
Other Debt Obligations
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	2,431	486
Gross Unrealized Losses	(61)	(43)
Allowance for Credit Losses	0	0
Estimated Fair Value	2,370	443
Debt and Equity Securities
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	70,652	68,687
Gross Unrealized Gains	25	109
Gross Unrealized Losses	(4,437)	(3,987)
Allowance for Credit Losses	0	0
Estimated Fair Value	66,240	64,809
Residential MBS issued by governmental sponsored enterprises (GSEs)
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	74,177	76,345
Gross Unrealized Losses	(6,720)	(7,177)
Allowance for Credit Losses	0	0
Estimated Fair Value	67,457	69,168
Commercial MBS issued by GSEs
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	53,131	51,435
Gross Unrealized Losses	(6,163)	(5,705)
Allowance for Credit Losses	0	0
Estimated Fair Value	46,968	45,730
CMOs issued by GSEs
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	57,454	61,293
Gross Unrealized Losses	(6,730)	(5,606)
Allowance for Credit Losses	0	0
Estimated Fair Value	50,724	55,687
Total MBS and CMOs
Debt Securities, Available-for-sale [Line Items]
Total AFS securities, Amortized Cost	184,762	189,073
Gross Unrealized Losses	(19,613)	(18,488)
Allowance for Credit Losses	0	0
Estimated Fair Value	$ 165,149	$ 170,585

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).

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 https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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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

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-Publisher FASB
-Name Accounting Standards Codification
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Amount excluding accrued interest, of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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