Bank segment - Financial Effect of Loan Modification (Details) - Real estate	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2024
Residential 1-4 family \| Term extension
Financing Receivable, Modified [Line Items]
Weighted average	329 months	208 months
Residential 1-4 family \| Payment delay
Financing Receivable, Modified [Line Items]
Weighted average	6 months	9 months
Commercial real estate \| Term extension
Financing Receivable, Modified [Line Items]
Weighted average		9 months
Commercial real estate \| Payment delay
Financing Receivable, Modified [Line Items]
Weighted average		9 months
Home equity line of credit
Financing Receivable, Modified [Line Items]
Interest Rate Reduction (in percent)	3.00%	3.00%
Home equity line of credit \| Payment delay
Financing Receivable, Modified [Line Items]
Weighted average		11 months
Residential land \| Payment delay
Financing Receivable, Modified [Line Items]
Weighted average		9 months

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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