Loans and Allowance for Loan Losses - Schedule of Impaired Loans Segregated by Class of Loans (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2019	Dec. 31, 2018
Unpaid Principal Balance	$ 5,031,959	$ 4,187,966
Recorded Investment With No Allowance	1,300,042	2,686,743
Recorded Investment With Allowance	2,856,225	1,669,638
Total Recorded Investment	4,156,267	4,356,381
Related Allowance	672,275	518,230
Year-to-date Average Recorded Investment	3,466,532	3,817,174
Interest Income Received During Impairment	173,275	257,334
Commercial, Financial and Agricultural Loans [Member]
Unpaid Principal Balance	1,256,525	184,899
Recorded Investment With No Allowance	65,774	87,525
Recorded Investment With Allowance	1,104,097	568,816
Total Recorded Investment	1,169,871	656,341
Related Allowance	437,299	276,392
Year-to-date Average Recorded Investment	758,854	370,038
Interest Income Received During Impairment	48,957	52,411
Construction Loans [Member]
Unpaid Principal Balance	390,576	402,234
Recorded Investment With No Allowance	269,776	281,434
Recorded Investment With Allowance	0	0
Total Recorded Investment	269,776	281,434
Related Allowance	0	0
Year-to-date Average Recorded Investment	269,776	281,434
Interest Income Received During Impairment	12,072	25,364
Commercial Mortgage Loans [Member]
Unpaid Principal Balance	1,640,771	1,787,305
Recorded Investment With No Allowance	252,437	1,277,611
Recorded Investment With Allowance	937,983	333,892
Total Recorded Investment	1,190,420	1,611,503
Related Allowance	46,292	51,854
Year-to-date Average Recorded Investment	1,087,462	1,544,299
Interest Income Received During Impairment	34,327	45,403
Residential Loans [Member]
Unpaid Principal Balance	1,730,816	1,801,002
Recorded Investment With No Allowance	712,055	1,027,647
Recorded Investment With Allowance	800,874	752,443
Total Recorded Investment	1,512,929	1,780,090
Related Allowance	187,929	188,368
Year-to-date Average Recorded Investment	1,337,169	1,594,390
Interest Income Received During Impairment	77,245	127,806
Agricultural Loans [Member]
Unpaid Principal Balance	0	12,526
Recorded Investment With No Allowance	0	12,526
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	12,526
Related Allowance	0	0
Year-to-date Average Recorded Investment	0	12,526
Interest Income Received During Impairment	0	5,530
Consumer and Other Loans [Member]
Unpaid Principal Balance	13,271	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	13,271	14,487
Total Recorded Investment	13,271	14,487
Related Allowance	755	1,616
Year-to-date Average Recorded Investment	13,271	14,487
Interest Income Received During Impairment	$ 674	$ 820

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5258-111524

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
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-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953550-111524

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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