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Disclosures About Fair Value of Assets and Liabilities (Details)	12 Months Ended
	Dec. 31, 2020
Mortgage Servicing Rights [Member]
Disclosures About Fair Value of Assets and Liabilities (Details) [Line Items]
Interest rate on mortgage service, description	The servicing rights have had an increase in prepayments and the 10.68 percent increase in the constant prepayment rate reflects the change in market rates.

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Interest rate on mortgage service description.

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