Parent Company Only Financial Information (Statements of Cash Flows) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income	$ 1,172	$ 1,212	$ 805	$ 898	$ 1,000	$ 1,058	$ 1,006	$ 936	$ 4,087	$ 4,000	$ 3,378
ESOP shares committed to be released									120	130	126
Increase in other assets									(480)	(18)	62
Increase in other liabilities									197	163	381
Net Cash Provided by Operating Activities									5,836	6,114	5,827
Activity in available for sale securities: Maturities, prepayments and calls									18,827	9,426	12,002
Net Cash Provided by Investing Activities									(64,730)	(39,087)	(36,462)
Proceeds from stock options exercised									6		4
Purchase of treasury stock									(1,419)	(1,448)	(269)
Cash dividends paid									(1,272)	(880)	(743)
Net Cash Used in Financing Activities									58,432	22,811	26,069
CASH AND CASH EQUIVALENTS - BEGINNING				30,751					30,751
CASH AND CASH EQUIVALENTS - ENDING	30,289				30,751				30,289	30,751
Parent Company [Member]
Net income									4,087	4,000	3,378
ESOP shares committed to be released									120	130	126
Stock based compensation expense									322	445	440
Increase in other assets									(200)	(200)	(307)
Increase in other liabilities									23	3	2
Equity in undistributed earnings of subsidiary									(1,718)	(2,187)	(3,498)
Net Cash Provided by Operating Activities									2,634	2,191	141
Activity in available for sale securities: Maturities, prepayments and calls											4
Payments received on ESOP Loan									49	45	43
Net Cash Provided by Investing Activities									49	45	47
Proceeds from stock options exercised									6		4
Purchase of treasury stock									(1,419)	(1,448)	(269)
Cash dividends paid									(1,272)	(880)	(743)
Net Cash Used in Financing Activities									(2,685)	(2,328)	(1,008)
Net Decrease in Cash and Cash Equivalents									(2)	(92)	(820)
CASH AND CASH EQUIVALENTS - BEGINNING				$ 1,795				$ 1,887	1,795	1,887	2,707
CASH AND CASH EQUIVALENTS - ENDING	$ 1,793				$ 1,795				$ 1,793	$ 1,795	$ 1,887