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Risks and Uncertainties (Summary of Loan Forbearance) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($) loan
Risks And Uncertainties [Line Items]
Number of Loans | loan	1,232
Balance | $	$ 274,256
Residential Real Estate Loans [Member]
Risks And Uncertainties [Line Items]
Number of Loans | loan	121
Balance | $	$ 10,883
Commercial Real Estate Loans [Member]
Risks And Uncertainties [Line Items]
Number of Loans | loan	388
Balance | $	$ 218,984
Agricultural Real Estate Loans [Member]
Risks And Uncertainties [Line Items]
Number of Loans | loan	16
Balance | $	$ 5,267
Construction Real Estate Loans [Member]
Risks And Uncertainties [Line Items]
Number of Loans | loan	24
Balance | $	$ 4,125
Commercial, Financial And Agricultural [Member]
Risks And Uncertainties [Line Items]
Number of Loans | loan	190
Balance | $	$ 23,801
Consumer Loans To Individuals [Member]
Risks And Uncertainties [Line Items]
Number of Loans | loan	493
Balance | $	$ 11,196

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- Definition

Loans In Forbearance

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- Definition

Number Of Loans In Forbearance

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Risks And Uncertainties [Line Items]

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