Loans and Allowance for Loan Losses (Details 1)	3 Months Ended
	Mar. 31, 2018
Factor Considered:
Levels of and trends in charge-offs, classifications and non-accruals	Stable
Trends in volume and terms	Decreasing
Changes in lending policies and procedures	Stable
Experience, depth and ability of management, including loan review function	Stable
Economic trends, including valuation of underlying collateral	Stable
Concentrations of credit	Decreasing