Summary of Significant Accounting Policies, Recent Adopted Accounting Standards (Details) - USD ($) $ in Thousands	Jun. 30, 2024		Jun. 30, 2023		Jun. 30, 2022
Recently Adopted Accounting Standards [Abstract]
Retained earnings	$ 214,740		$ 193,721
Allowance for credit losses on loans	19,244	[1]	21,212	[1]	$ 22,761
Investment securities held-to-maturity	$ 690,354		726,363
ASU 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Recently Adopted Accounting Standards [Abstract]
Retained earnings			(510)
Allowance for credit losses on loans			(1,332)
Investment securities held-to-maturity			503
Allowance for credit losses on unfunded commitment exposures			1,500
Deferred tax asset			$ 186

[1] Effective July 1, 2023, the allowance calculation is based upon the CECL methodology.  Prior to July 1, 2023, the allowance calculation was based upon the incurred loss methodology.