Loans and Allowance for Credit Losses on Loans - Loans Modified to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	$ 4,221	$ 2,821
Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	4,221	2,821
Current [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	3,922	2,821
Current [Member] \| Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	3,922	2,821
30 to 59 Days Past Due [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	0	0
30 to 59 Days Past Due [Member] \| Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	0	0
60 to 89 Days Past Due [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	299	0
60 to 89 Days Past Due [Member] \| Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	299	0
90 Days or More Past Due [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	0	0
90 Days or More Past Due [Member] \| Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	$ 0	$ 0