Available for Sale Securities - Gross Unrealized Losses and Fair Value, Continuous Unrealized Loss Position (Details) $ in Thousands	Sep. 30, 2022 USD ($) security	Jun. 30, 2022 USD ($)
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 161,754	$ 180,937
Less than 12 Months, Unrealized Losses	12,319	15,584
12 Months or more, Fair Value	70,419	38,345
12 Months or more, Unrealized Losses	12,744	6,891
Fair Value, Total	232,173	219,282
Unrealized Losses , Total	25,063	22,475
US States and Political Subdivisions Debt Securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	35,525	31,985
Less than 12 Months, Unrealized Losses	2,642	2,639
12 Months or more, Fair Value	5,443	1,600
12 Months or more, Unrealized Losses	1,019	342
Fair Value, Total	40,968	33,585
Unrealized Losses , Total	$ 3,661	2,981
Number of individual securities in an unrealized loss position for less than 12 months | security	75
Number of individual securities in an unrealized loss position for more than 12 months | security	13
Corporate Obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 11,506	10,944
Less than 12 Months, Unrealized Losses	441	420
12 Months or more, Fair Value	10,006	6,911
12 Months or more, Unrealized Losses	868	543
Fair Value, Total	21,512	17,855
Unrealized Losses , Total	$ 1,309	963
Number of individual securities in an unrealized loss position for less than 12 months | security	5
Number of individual securities in an unrealized loss position for more than 12 months | security	4
Other Debt Obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 606	418
Less than 12 Months, Unrealized Losses	49	43
Fair Value, Total	606	418
Unrealized Losses , Total	$ 49	43
Number of individual securities in an unrealized loss position for less than 12 months | security	13
Number of individual securities in an unrealized loss position for more than 12 months | security	5
Total MBS and CMOs
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 114,117	137,590
Less than 12 Months, Unrealized Losses	9,187	12,482
12 Months or more, Fair Value	54,970	29,834
12 Months or more, Unrealized Losses	10,857	6,006
Fair Value, Total	169,087	167,424
Unrealized Losses , Total	$ 20,044	$ 18,488
Number of individual securities in an unrealized loss position for less than 12 months | security	96
Number of individual securities in an unrealized loss position for more than 12 months | security	29