Allowance for Credit Losses - Modified loans with payment default (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($)
Allowance for Credit Losses
Modified loans past due period considered in payment default	30 days
Consumer | Principal Forgiveness
Allowance for Credit Losses
Amount	$ 2
Consumer | Term Extension
Allowance for Credit Losses
Amount	2
Consumer | Interest Rate Reduction
Allowance for Credit Losses
Amount	2
Consumer | Motor Vehicle | Principal Forgiveness
Allowance for Credit Losses
Amount	2
Consumer | Motor Vehicle | Term Extension
Allowance for Credit Losses
Amount	2
Consumer | Motor Vehicle | Interest Rate Reduction
Allowance for Credit Losses
Amount	$ 2