Basis Of Presentation (Narrative) (Details) $ / shares in Units, $ in Thousands		9 Months Ended
	Oct. 01, 2016 USD ($) item shares	Sep. 30, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($)
Loans		$ 504,172	$ 476,823
Deposits		645,543	606,275
Assets		$ 770,272	$ 748,818
Business acquisition share price | $ / shares		$ 28.42
Philadelphia, Pennsylvania [Member] | Subsequent Event [Member]
Number of locations | item	3
Chester, Delaware And Philadelphia Counties, Pennsylvania [Member] | Subsequent Event [Member]
Number of locations | item	15
East River Bank [Member]
Business acquisition effective date of acquisition		Oct. 01, 2016
Business acquisition date of acquisition agreement		Apr. 04, 2016
Loans		$ 306,800
Deposits		229,000
Assets		320,400
Business combination transaction value		$ 47,500
Business combination percentage of outstanding common stock	32.00%
East River Bank [Member] | Subsequent Event [Member]
Business acquisition cash paid	$ 6,700
Business acquisition number of share issued | shares	1,368,611