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Accounting Policies, Premises and Equipment (Details)
12 Months Ended
Dec. 31, 2021
Buildings [Member] | Maximum [Member]  
Premises and Equipment [Abstract]  
Estimated useful life 40 years
Furniture, Fixtures, and Equipment [Member] | Minimum [Member]  
Premises and Equipment [Abstract]  
Estimated useful life 2 years
Furniture, Fixtures, and Equipment [Member] | Maximum [Member]  
Premises and Equipment [Abstract]  
Estimated useful life 10 years