Allowance for Credit Losses - Loans Modified (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2026 USD ($)
Allowance for Credit Losses
Total Class of Financing Receivable	0.02%
Principal Forgiveness
Allowance for Credit Losses
$ Amount	$ 23
Term Extension
Allowance for Credit Losses
$ Amount	317
Combination Term Extension and Principal Forgiveness
Allowance for Credit Losses
$ Amount	152
Combination Term Extension Interest Rate Reduction
Allowance for Credit Losses
$ Amount	$ 207
Residential \| First Liens
Allowance for Credit Losses
Total Class of Financing Receivable	0.05%
Residential \| First Liens \| Term Extension
Allowance for Credit Losses
$ Amount	$ 259
Residential \| First Liens \| Combination Term Extension Interest Rate Reduction
Allowance for Credit Losses
$ Amount	$ 50
Residential \| Junior Liens
Allowance for Credit Losses
Total Class of Financing Receivable	0.08%
Residential \| Junior Liens \| Term Extension
Allowance for Credit Losses
$ Amount	$ 14
Residential \| Junior Liens \| Combination Term Extension Interest Rate Reduction
Allowance for Credit Losses
$ Amount	$ 51
Residential \| All Other Residential
Allowance for Credit Losses
Total Class of Financing Receivable	0.21%
Residential \| All Other Residential \| Combination Term Extension Interest Rate Reduction
Allowance for Credit Losses
$ Amount	$ 74
Consumer \| Motor Vehicle
Allowance for Credit Losses
Total Class of Financing Receivable	0.04%
Consumer \| Motor Vehicle \| Principal Forgiveness
Allowance for Credit Losses
$ Amount	$ 23
Consumer \| Motor Vehicle \| Term Extension
Allowance for Credit Losses
$ Amount	44
Consumer \| Motor Vehicle \| Combination Term Extension and Principal Forgiveness
Allowance for Credit Losses
$ Amount	152
Consumer \| Motor Vehicle \| Combination Term Extension Interest Rate Reduction
Allowance for Credit Losses
$ Amount	$ 32