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
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

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 http://asc.fasb.org/extlink&oid=123581744&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).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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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