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Loan Servicing (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Transfers and Servicing of Financial Assets [Abstract] |  |  |  |  |
Serviced sold mortgage loans | $ 1,870,000,000 | $ 1,960,000,000 | $ 1,870,000,000 | $ 1,960,000,000 | $ 1,930,000,000
Serviced sold mortgage loans with recourse | 2,600,000 | 3,000,000.0 | 2,600,000 | 3,000,000.0 | 2,900,000
Mortgage Loans Sold with Recourse, Reserve | 50,000 |  | 50,000 |  | $ 54,000
Servicing fees included in other service income | $ 1,200,000 | $ 1,300,000 | $ 3,700,000 | $ 3,900,000 |

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- Definition Principal Amount Outstanding On Sold Loans Servicing Retained + References No definition available. + Details
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- Definition Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph b -Subparagraph (1) -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph b -Subparagraph (1)(Instruction 3) -Publisher SEC + Details
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