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Allowance for credit losses - Troubled debt restructuring according to their accruing status - Subnote (Details) $ in Thousands | Dec. 31, 2022 USD ($)
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Financing Receivable, Modifications [Line Items] |
Financing Receivable Modifications Recorded Investment | $ 1,644,647
Accruing |
Financing Receivable, Modifications [Line Items] |
Financing Receivable Modifications Recorded Investment | 1,495,309
Mortgages |
Financing Receivable, Modifications [Line Items] |
Financing Receivable Modifications Recorded Investment | 1,256,766
Mortgages | Accruing |
Financing Receivable, Modifications [Line Items] |
Financing Receivable Modifications Recorded Investment | 1,169,976
Mortgages | Guaranteed by U.S. sponsored entities | Accruing |
Financing Receivable, Modifications [Line Items] |
Financing Receivable Modifications Recorded Investment | $ 725,000

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