Commitments, Contingencies, and Concentrations (Details) $ in Thousands	1 Months Ended
	Mar. 31, 2016 USD ($) item	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Number of storeys in company owned building | item	3
Scenario, Forecast [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Approximate cost of building renovation		$ 1,300
Unused lines of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 67,986		$ 72,988
Commitments to Extend Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	31,927		8,497
Standby letters of credit and financial guarantees written [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 278		$ 515