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Derivative Financial Instruments Summary of Mortgage Loans Held For Sale (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans held for sale	$ 20,368,000		$ 20,368,000		$ 7,264,000
Mortgage Loans Held For Sale
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	0	$ (500,000)	100,000	$ (1,100,000)
Cost [Member] | Mortgage Loans Held For Sale
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans held for sale	20,206,000		20,206,000		7,180,000
Fair value [Member] | Mortgage Loans Held For Sale
Fair Value, Option, Quantitative Disclosures [Line Items]
Loans held for sale	$ 20,368,000		$ 20,368,000		$ 7,264,000

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For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

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