Loan Servicing (Narrative) (Details) - USD ($)	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Transfers and Servicing of Financial Assets [Abstract]
Serviced sold mortgage loans	$ 1,840,000,000	$ 1,910,000,000	$ 1,860,000,000
Serviced sold mortgage loans with recourse	2,400,000	2,900,000	2,500,000
Mortgage Loans Sold with Recourse, Reserve	18,000		$ 50,000
Servicing fees included in other service income	$ 1,200,000	$ 1,300,000

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.

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

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