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Loans - Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Impaired loans
Impaired loans, troubled debt restructurings	$ 4,350	$ 5,450
Impaired loans, Unpaid Principal Balance	5,511	5,928
Impaired loans, Recorded Investment in Loans without Specific Reserve	2,227	2,842
Impaired loans, Recorded Investment in Loans with Specific Reserve	3,047	2,935
Impaired loans, Related Allowance	267	428
Impaired loans, Average Balance	5,242	6,099
Impaired loans, Interest Income Recognized	239	276
Real estate - residential mortgage
Impaired loans
Impaired loans, Unpaid Principal Balance	3,891	3,057
Impaired loans, Recorded Investment in Loans without Specific Reserve	2,192	1,288
Impaired loans, Recorded Investment in Loans with Specific Reserve	1,479	1,677
Impaired loans, Related Allowance	72	92
Impaired loans, Average Balance	3,506	3,056
Impaired loans, Interest Income Recognized	155	142
Commercial, financial and agricultural | Commercial real estate lending
Impaired loans
Impaired loans, Unpaid Principal Balance	1,459	2,468
Impaired loans, Recorded Investment in Loans without Specific Reserve	4	1,498
Impaired loans, Recorded Investment in Loans with Specific Reserve	1,447	927
Impaired loans, Related Allowance	77	10
Impaired loans, Average Balance	1,581	2,653
Impaired loans, Interest Income Recognized	82	132
Commercial, financial and agricultural | Commercial business lending
Impaired loans
Impaired loans, Unpaid Principal Balance		33
Impaired loans, Recorded Investment in Loans without Specific Reserve		25
Impaired loans, Average Balance		26
Equity lines
Impaired loans
Impaired loans, Unpaid Principal Balance	31	365
Impaired loans, Recorded Investment in Loans without Specific Reserve	31	31
Impaired loans, Recorded Investment in Loans with Specific Reserve		326
Impaired loans, Related Allowance		326
Impaired loans, Average Balance	32	359
Impaired loans, Interest Income Recognized	2	2
Consumer
Impaired loans
Impaired loans, Unpaid Principal Balance	130	5
Impaired loans, Recorded Investment in Loans with Specific Reserve	121	5
Impaired loans, Related Allowance	118
Impaired loans, Average Balance	$ 123	$ 5

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Financing Receivables Impaired Troubled Debt Restructuring Amount

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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-Publisher FASB
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-Topic 310
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