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Disclosures About Fair Value of Assets and Liabilities (Details)	12 Months Ended
	Dec. 31, 2019
Mortgage Servicing Rights [Member]
Disclosures About Fair Value of Assets and Liabilities (Details) [Line Items]
Interest rate on mortgage service, description	the mortgage servicing rights have increased in value. The servicing rights have had a decline in prepayments and the 0.49 percent decrease 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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