Loans and Allowance for Loan Losses - Schedule of Troubled Debt Restructurings By Types of Concessions Made (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Accruing [Member]
Payment modification	$ 0	$ 0
Rate reduction	0	0
Rate reduction, payment modification	2,324	4,243
Forbearance of interest	0	0
Total	2,324	4,243
Non-accruing [Member]
Payment modification	0	0
Rate reduction	0	0
Rate reduction, payment modification	0	0
Forbearance of interest	0	0
Total	$ 0	$ 0