Bank segment - Credit Risk Profile - Payment Activity for Loan (Details) $ in Thousands	Sep. 30, 2024 USD ($)
Credit risk profile based on payment activity for loans
Total	$ 9,715
Current
Credit risk profile based on payment activity for loans
Total	7,197
30-59 days past due
Credit risk profile based on payment activity for loans
Total	264
60-89 days past due
Credit risk profile based on payment activity for loans
Total	153
Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	2,101
Real estate | Residential 1-4 family
Credit risk profile based on payment activity for loans
Total	7,232
Real estate | Residential 1-4 family | Current
Credit risk profile based on payment activity for loans
Total	4,867
Real estate | Residential 1-4 family | 30-59 days past due
Credit risk profile based on payment activity for loans
Total	264
Real estate | Residential 1-4 family | 60-89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential 1-4 family | Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	2,101
Real estate | Commercial real estate
Credit risk profile based on payment activity for loans
Total	1,208
Real estate | Commercial real estate | Current
Credit risk profile based on payment activity for loans
Total	1,208
Real estate | Commercial real estate | 30-59 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Commercial real estate | 60-89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Commercial real estate | Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Home equity line of credit
Credit risk profile based on payment activity for loans
Total	600
Real estate | Home equity line of credit | Current
Credit risk profile based on payment activity for loans
Total	447
Real estate | Home equity line of credit | 30-59 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Home equity line of credit | 60-89 days past due
Credit risk profile based on payment activity for loans
Total	153
Real estate | Home equity line of credit | Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential land
Credit risk profile based on payment activity for loans
Total	675
Real estate | Residential land | Current
Credit risk profile based on payment activity for loans
Total	675
Real estate | Residential land | 30-59 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential land | 60-89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential land | Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Commercial construction
Credit risk profile based on payment activity for loans
Total	0
Real estate | Commercial construction | Current
Credit risk profile based on payment activity for loans
Total	0
Real estate | Commercial construction | 30-59 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Commercial construction | 60-89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Commercial construction | Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential construction
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential construction | Current
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential construction | 30-59 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential construction | 60-89 days past due
Credit risk profile based on payment activity for loans
Total	0
Real estate | Residential construction | Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	0
Commercial
Credit risk profile based on payment activity for loans
Total	0
Commercial | Current
Credit risk profile based on payment activity for loans
Total	0
Commercial | 30-59 days past due
Credit risk profile based on payment activity for loans
Total	0
Commercial | 60-89 days past due
Credit risk profile based on payment activity for loans
Total	0
Commercial | Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	0
Consumer
Credit risk profile based on payment activity for loans
Total	0
Consumer | Current
Credit risk profile based on payment activity for loans
Total	0
Consumer | 30-59 days past due
Credit risk profile based on payment activity for loans
Total	0
Consumer | 60-89 days past due
Credit risk profile based on payment activity for loans
Total	0
Consumer | Greater than 89 days past due
Credit risk profile based on payment activity for loans
Total	$ 0