Nature of Business and Basis of Presentation (Narrative) (Details) - USD ($)			9 Months Ended
	Oct. 11, 2019	Oct. 04, 2019	Sep. 30, 2019
Subsequent Event [Member]
Amount of sale of deposit accounts		$ 6,200,000
Gain on sale of deposit accounts		745,000
Amount of investment securities held for sale		30,300,000
Gain on sale of investment securities		$ 718,000
Repayment of advance loan	$ 25,000,000
Prepayment fees on advances net	$ 1,500,000
Percentage of average cost of advances	3.36%
Junior Subordinated Debt [Member]
Aggregate principal amount of subordinated notes			$ 23,000,000
Rate of interest of subordinated notes			4.75%
Proceeds from issue of subordinated debts			$ 22,500,000
Term of subordinated notes			10 years
Basis points of interest rate calculation			3.408%