Summary Of Significant Accounting Policies (Schedule Of Earnings Per Share Basic And Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted average shares outstanding (basic)									4,244	4,190	4,135
Impact of common stock equivalents									6	6	4
Weighted average shares outstanding (diluted)									4,250	4,196	4,139
Anti-dilutive options excluded from calculation									27	35	56
Net income	$ 2,267	$ 2,579	$ 2,474	$ 2,884	$ 1,847	$ 2,410	$ 2,319	$ 1,826	$ 10,204	$ 8,402	$ 6,232
Basic earnings per share	$ 0.53	$ 0.61	$ 0.58	$ 0.68	$ 0.44	$ 0.57	$ 0.55	$ 0.44	$ 2.40	$ 2.01	$ 1.51
Diluted earnings per share	$ 0.53	$ 0.61	$ 0.58	$ 0.68	$ 0.44	$ 0.57	$ 0.55	$ 0.44	$ 2.40	$ 2.00	$ 1.51
Franklin Financial Service Corporation [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income									$ 10,204	$ 8,402	$ 6,232