Loans and Allowance for Credit Losses on Loans - Amortized cost basis of the loans modified to borrowers experiencing financial difficulty by type of concession granted (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Term Extension [Member]
Loans and Allowance for Credit Losses on Loans - Amortized cost basis of the loans modified to borrowers experiencing financial difficulty by type of concession granted (Details) [Line Items]
Amortized cost	$ 299	$ 3,948	$ 299	$ 3,948
Term Extension [Member] | Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans - Amortized cost basis of the loans modified to borrowers experiencing financial difficulty by type of concession granted (Details) [Line Items]
Amortized cost	$ 299	$ 3,948	$ 299	$ 3,948
Percentage of total class	0.03%	0.43%	0.03%	0.43%
Term Extension and interest Rate Reduction [Member]
Loans and Allowance for Credit Losses on Loans - Amortized cost basis of the loans modified to borrowers experiencing financial difficulty by type of concession granted (Details) [Line Items]
Amortized cost	$ 0	$ 130	$ 2,545	$ 130
Term Extension and interest Rate Reduction [Member] | Commercial Real Estate Portfolio [Member]
Loans and Allowance for Credit Losses on Loans - Amortized cost basis of the loans modified to borrowers experiencing financial difficulty by type of concession granted (Details) [Line Items]
Amortized cost	$ 0	$ 130	$ 2,545	$ 130
Percentage of total class	0.00%	0.01%	0.24%	0.01%