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Loans And Allowance For Credit Losses (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2022 | Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrued Interest Receivable | $ 46,200,000 | $ 46,200,000 | $ 25,900,000
Pledged Financial Instruments, Not Separately Reported, Loans Receivable, for Federal Home Loan Bank Debt | 3,100,000,000 | 3,100,000,000 |
Pledged Financial Instruments, Not Separately Reported, Loans Receivable, for Federal Reserve Bank Debt | 1,300,000,000 | $ 1,300,000,000 |
Period after which loans are deemed in default (in days) |  | 90 days |
Effect on Interest Income Resulting From Modification to Credit Card Loans |  | $ (663,000) |
Commitments to lend additional funds to customers with restructured loans | 22,000,000 | 22,000,000 |
Letters of Credit to Customers with Substandard Risk Rating | 24,000,000 | 24,000,000 |
Residential mortgage loans held for sale | 1,426,000 | 1,426,000 | 5,570,000
Unpaid Principal Balance on Personal Real Estate Loans Held for Sale | 1,500,000 | 1,500,000 |
Student Loans Held for Sale, Lower of Cost or Fair Value | 6,600,000 | 6,600,000 |
HFS Loans on non accrual status | 0 | 0 |
HFS loans 90 days past due and still accruing | 0 | 0 |
Foreclosed real estate | 354,000 | 354,000 | 115,000
Personal property acquired in repossession | 1,700,000 | 1,700,000 | 1,100,000
Business |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Financing Receivable, Nonaccrual, No Allowance | 4,100,000 | 4,100,000 | $ 5,300,000
Commercial Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Financing Receivable, Accrued Interest, Writeoff | 48,000 | 103,000 |
Personal Banking Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Financing Receivable, Accrued Interest, Writeoff | $ 699,000 | $ 2,400,000 |

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- Definition The carrying amount, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of FRB debt obligations, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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