Financial Instruments With Off-Balance Sheet Risk - Schedule of Contract Amounts Represent Credit Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 81,951	$ 91,561
Commitments to Extend Credit [Member]
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	78,474	88,123
Standby Letter of Credit [Member]
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 3,477	$ 3,438