Available for Sale Securities - Gross Unrealized Losses and Fair Value, Continuous Unrealized Loss Position (Details) $ in Thousands	Dec. 31, 2022 USD ($) security	Jun. 30, 2022 USD ($)
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 129,203	$ 180,937
Less than 12 Months, Unrealized Losses	7,499	15,584
12 Months or more, Fair Value	98,063	38,345
12 Months or more, Unrealized Losses	16,551	6,891
Fair Value, Total	227,266	219,282
Unrealized Losses , Total	24,050	22,475
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	26,509	31,985
Less than 12 Months, Unrealized Losses	721	2,639
12 Months or more, Fair Value	13,953	1,600
12 Months or more, Unrealized Losses	2,139	342
Fair Value, Total	40,462	33,585
Unrealized Losses , Total	$ 2,860	2,981
Number of individual securities in an unrealized loss position for less than 12 months | security	59
Number of individual securities in an unrealized loss position for more than 12 months | security	27
Corporate Obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 7,957	10,944
Less than 12 Months, Unrealized Losses	493	420
12 Months or more, Fair Value	11,352	6,911
12 Months or more, Unrealized Losses	1,023	543
Fair Value, Total	19,309	17,855
Unrealized Losses , Total	$ 1,516	963
Number of individual securities in an unrealized loss position for less than 12 months | security	7
Number of individual securities in an unrealized loss position for more than 12 months | security	10
Other Debt Obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 1,960	418
Less than 12 Months, Unrealized Losses	21	43
12 Months or more, Fair Value	386
12 Months or more, Unrealized Losses	40
Fair Value, Total	2,346	418
Unrealized Losses , Total	$ 61	43
Number of individual securities in an unrealized loss position for less than 12 months | security	8
Number of individual securities in an unrealized loss position for more than 12 months | security	1
Total MBS and CMOs
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 92,777	137,590
Less than 12 Months, Unrealized Losses	6,264	12,482
12 Months or more, Fair Value	72,372	29,834
12 Months or more, Unrealized Losses	13,349	6,006
Fair Value, Total	165,149	167,424
Unrealized Losses , Total	$ 19,613	$ 18,488
Number of individual securities in an unrealized loss position for less than 12 months | security	85
Number of individual securities in an unrealized loss position for more than 12 months | security	40