Acquisition of New Jersey Community Bank (Pro Forma Information) (Details) - New Jersey Community Bank [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Net interest income	$ 790
Non-interest income	40
Non-interest expenses	445
Income taxes	116
Net income	$ 269
Pro forma, Net interest income		$ 21,545	$ 18,463
Pro forma, Non-interest income		3,920	4,312
Pro forma, Non-interest expense		17,004	17,426
Pro forma, Income taxes		2,123	1,693
Pro forma, Net income		$ 5,888	$ 3,356