Loans - Modified financing receivables (Details) $ in Thousands	3 Months Ended
Mar. 31, 2025 USD ($)
Financial asset, Not Past Due
Loans
Modified, accumulated	$ 16
30-89 Days Past Due
Loans
Modified, accumulated	0
90+ Days Past Due
Loans
Modified, accumulated	0
Term Extension
Loans
Amortized Cost Basis	16
Real estate, residential \| Financial asset, Not Past Due
Loans
Modified, accumulated	16
Real estate, residential \| 30-89 Days Past Due
Loans
Modified, accumulated	0
Real estate, residential \| 90+ Days Past Due
Loans
Modified, accumulated	0
Real estate, residential \| Term Extension
Loans
Amortized Cost Basis	$ 16
% of Total Loan Type	0.02%
Payment deferral, Period in months)	3 months
Weighted Average Term Increase from Modification (Year)	3 years

Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

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Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

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Period of payment deferral of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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