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Acquired Credit Impaired Loans, Outstanding Balance and Carrying Value for Acquired Credit Impaired Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	$ 1,379,521	$ 1,369,445
Allowance for loan losses	5,530	5,506	$ 5,679	$ 5,728
Total	1,373,991	1,363,939
Loans:
Outstanding balance	3,624	3,769
Carrying amount	2,766	2,863
Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	2,766	2,863
Allowance for loan losses	0	0
Total	2,766	2,863
Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	45	122
Allowance for loan losses	9	4	(1)	(9)
Other [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	0	0
Residential real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	328,574	335,106
Allowance for loan losses	639	665	919	837
Residential real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	1,138	1,163
Commercial, secured by real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	904,562	887,679
Allowance for loan losses	3,494	3,607	3,634	3,903
Commercial, secured by real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	1,549	1,612
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	105,809	101,598
Allowance for loan losses	1,297	1,095	$ 957	$ 816
Commercial Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	79	88
First Capital Bancshares, Inc. [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	389	399
Allowance for loan losses	0	0
Total	389	399
First Capital Bancshares, Inc. [Member] | Other [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	0	0
First Capital Bancshares, Inc. [Member] | Residential real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	388	398
First Capital Bancshares, Inc. [Member] | Commercial, secured by real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	0	0
First Capital Bancshares, Inc. [Member] | Commercial Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	1	1
Columbus First Bancorp, Inc. [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	926	952
Allowance for loan losses	0	0
Total	926	952
Columbus First Bancorp, Inc. [Member] | Other [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	0	0
Columbus First Bancorp, Inc. [Member] | Residential real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	248	251
Columbus First Bancorp, Inc. [Member] | Commercial, secured by real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	600	614
Columbus First Bancorp, Inc. [Member] | Commercial Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	78	87
Eaton National Bank & Trust Co. [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	736	773
Allowance for loan losses	0	0
Total	736	773
Eaton National Bank & Trust Co. [Member] | Other [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	0	0
Eaton National Bank & Trust Co. [Member] | Residential real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	452	463
Eaton National Bank & Trust Co. [Member] | Commercial, secured by real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	284	310
Eaton National Bank & Trust Co. [Member] | Commercial Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	0	0
BNB Bancorp, Inc [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	715	739
Allowance for loan losses	0	0
Total	715	739
BNB Bancorp, Inc [Member] | Other [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	0	0
BNB Bancorp, Inc [Member] | Residential real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	50	51
BNB Bancorp, Inc [Member] | Commercial, secured by real estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	665	688
BNB Bancorp, Inc [Member] | Commercial Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans gross	$ 0	$ 0

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The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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