Loans and Allowance for Credit Losses on Loans - Loans Modified to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands	9 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	$ 2,822	$ 6,921
Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	2,822	6,905
Consumer [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty		16
Current [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	2,822	6,606
Current [Member] \| Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	2,822	6,606
Current [Member] \| Consumer [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty		0
30 to 59 Days Past Due [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty	0	315
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	299
30 to 59 Days Past Due [Member] \| Consumer [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty		16
60 to 89 Days Past Due [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] \| 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] \| Consumer [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty		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
90 Days or More Past Due [Member] \| Consumer [Member]
Loans and Allowance for Credit Losses on Loans [Abstract]
Loans modified to borrowers experiencing financial difficulty		$ 0