Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Net income	$ 1,332,000	$ 1,432,000	$ 1,298,000	$ 1,228,000	$ 1,123,000	$ 1,144,000	$ 1,148,000	$ 1,232,000	$ 5,290,240	$ 4,647,119	$ 3,807,492
Net income available to common shareholders									$ 5,290,240	$ 4,647,119	$ 3,807,492
Average number of common shares outstanding									2,545,672	2,545,565	2,547,421
Effect of dilutive restricted stock									$ 0	$ 0	$ 1
Average number of common shares outstanding used to calculate diluted earnings per common share									2,545,672	2,545,565	2,547,422
Earnings per share - basic	$ 0.53	$ 0.56	$ 0.51	$ 0.48	$ 0.44	$ 0.45	$ 0.45	$ 0.48	$ 2.08	$ 1.83	$ 1.49
Earnings per share - diluted	$ 0.53	$ 0.56	$ 0.51	$ 0.48	$ 0.44	$ 0.45	$ 0.45	$ 0.48	$ 2.08	$ 1.83	$ 1.49