Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Total long-term debt	$ 29,057,143	$ 26,028,571
Advance From FHLB With A 3.39% Fixed Rate Of Interest Maturing August 20, 2018 [Member]
Total long-term debt	0	5,000,000
Advance From FHLB With A 2.78% Fixed Rate Of Interest Maturing September 10, 2018 [Member]
Total long-term debt	0	5,000,000
Advance From FHLB With 1.43% Fixed Rate Of Interest With Annual Installment Payments Maturing September 4, 2018 [Member]
Total long-term debt	0	1,800,000
Advance From FHLB with 1.25% Fixed Rate Of Interest With Annual Installment Payments Maturing September 30, 2020 [Member]
Total long-term debt	3,200,000	4,800,000
Advance From FHLB With 1.94% Fixed Rate Of Interest With Annual Installment Payments Maturing December 16, 2022 [Member]
Total long-term debt	3,428,571	4,285,714
Advance From FHLB With 1.42% Fixed Rate Of Interest With Annual Installment Payments Maturing August 30, 2023 [Member]
Total long-term debt	4,285,715	5,142,857
Advance from FHLB With a 1.53% Fixed Rate of Interest Maturing January 10, 2019 [Member]
Total long-term debt	1,500,000	0
Advance from FHLB With a 1.60% Fixed Rate of Interest Maturing July 10, 2019 [Member]
Total long-term debt	1,500,000	0
Advance from FHLB With a 1.80% Fixed Rate of Interest Maturing July 10, 2020 [Member]
Total long-term debt	2,000,000	0
Advance from FHLB With a 1.93% Fixed Rate of Interest With Annual Installment Payments Maturing September 28, 2022 [Member]
Total long-term debt	8,000,000	0
Advance from FHLB With a 2.34% Fixed Rate of Interest With Annual Installment Payments Maturing December 5, 2024 [Member]
Total long-term debt	$ 5,142,857	$ 0