Summary of Significant Accounting Principles - Significant Accounting Principles: Allowance for Credit Losses (Details) |
Dec. 31, 2019 |
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| Loss severity | Second Mortgage | Home equity lines of credit | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Instruments backed by residential real estate assets | 1 |
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- Definition Loans And Leases Receivable And Loans Held-For Sale, Measurement Input No definition available.
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- Definition 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. No definition available.
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