Available for Sale Securities - Gross Unrealized Losses and Fair Value, Continuous Unrealized Loss Position (Details) $ in Thousands	Jun. 30, 2025 USD ($) security	Jun. 30, 2024 USD ($) security	Jun. 30, 2023 security
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	$ 67,943	$ 64,944
Less than 12 months, Unrealized Losses	557	690
12 months or more, Fair Value	196,523	247,960
12 months or more, Unrealized Losses	17,122	24,330
Total Fair Value	264,466	312,904
Total Unrealized Losses	17,679	25,020
Obligations of states and political subdivisions
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	4,882	3,720
Less than 12 months, Unrealized Losses	84	38
12 months or more, Fair Value	15,807	21,762
12 months or more, Unrealized Losses	1,688	2,173
Total Fair Value	20,689	25,482
Total Unrealized Losses	$ 1,772	$ 2,211
Number of individual securities in an unrealized loss position for less than 12 months | security	8	8
Number of individual securities in an unrealized loss position for more than 12 months | security	35	35
Corporate obligations
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	$ 1,936
Less than 12 months, Unrealized Losses	6
12 months or more, Fair Value	18,194	$ 25,295
12 months or more, Unrealized Losses	626	1,781
Total Fair Value	20,130	25,295
Total Unrealized Losses	632	$ 1,781
Number of individual securities in an unrealized loss position for more than 12 months | security		15	15
Asset backed securities
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	3,281
Less than 12 months, Unrealized Losses	2
12 months or more, Fair Value	839	$ 7,234
12 months or more, Unrealized Losses	143	249
Total Fair Value	4,120	7,234
Total Unrealized Losses	$ 145	249
Number of individual securities in an unrealized loss position for less than 12 months | security	2
Number of individual securities in an unrealized loss position for more than 12 months | security	2
Other securities
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	$ 15	4,404
Less than 12 months, Unrealized Losses		31
12 months or more, Fair Value	3,578	287
12 months or more, Unrealized Losses	53	43
Total Fair Value	3,593	4,691
Total Unrealized Losses	53	74
MBS and CMOs
Debt Securities, Available-for-Sale [Line Items]
Less than 12 months, Fair Value	57,829	56,820
Less than 12 months, Unrealized Losses	465	621
12 months or more, Fair Value	158,105	193,382
12 months or more, Unrealized Losses	14,612	20,084
Total Fair Value	215,934	250,202
Total Unrealized Losses	$ 15,077	$ 20,705
Number of individual securities in an unrealized loss position for less than 12 months | security	14
Number of individual securities in an unrealized loss position for more than 12 months | security	106