Available for Sale Securities - Gross Unrealized Losses and Fair Value, Continuous Unrealized Loss Position (Details) $ in Thousands	Sep. 30, 2023 USD ($) security	Jun. 30, 2023 USD ($)
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 127,602	$ 138,235
Less than 12 Months, Unrealized Losses	3,286	3,057
12 Months or more, Fair Value	195,376	187,305
12 Months or more, Unrealized Losses	30,561	26,499
Fair Value, Total	322,978	325,540
Unrealized Losses , Total	33,847	29,556
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	9,443	11,574
Less than 12 Months, Unrealized Losses	236	184
12 Months or more, Fair Value	30,959	26,763
12 Months or more, Unrealized Losses	3,474	2,553
Fair Value, Total	40,402	38,337
Unrealized Losses , Total	$ 3,710	2,737
Number of individual securities in an unrealized loss position for less than 12 months | security	23
Number of individual securities in an unrealized loss position for more than 12 months | security	64
Corporate Obligations
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 14,235	14,709
Less than 12 Months, Unrealized Losses	724	1,074
12 Months or more, Fair Value	16,015	13,821
12 Months or more, Unrealized Losses	1,916	2,107
Fair Value, Total	30,250	28,530
Unrealized Losses , Total	$ 2,640	3,181
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	14
Asset backed securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	$ 18,683	22,628
Less than 12 Months, Unrealized Losses	180	263
12 Months or more, Fair Value	705	698
12 Months or more, Unrealized Losses	274	282
Fair Value, Total	19,388	23,326
Unrealized Losses , Total	$ 454	545
Number of individual securities in an unrealized loss position for less than 12 months | security	6
Number of individual securities in an unrealized loss position for more than 12 months | security	2
Other Debt Obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value		1,970
Less than 12 Months, Unrealized Losses		11
12 Months or more, Fair Value	$ 1,546	350
12 Months or more, Unrealized Losses	48	45
Fair Value, Total	1,546	2,320
Unrealized Losses , Total	48	56
Total MBS and CMOs
Debt Securities, Available-for-sale [Line Items]
Less than 12 Months, Fair Value	85,241	87,354
Less than 12 Months, Unrealized Losses	2,146	1,525
12 Months or more, Fair Value	146,151	145,673
12 Months or more, Unrealized Losses	24,849	21,512
Fair Value, Total	231,392	233,027
Unrealized Losses , Total	$ 26,995	$ 23,037
Number of individual securities in an unrealized loss position for less than 12 months | security	25
Number of individual securities in an unrealized loss position for more than 12 months | security	124