Nature of Banking Activities and Significant Accounting Policies (Weighted Average Number of Shares Used In Computing Earnings Per Share) (Details) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	0	9,255
Average number of common shares outstanding (in shares)	3,495,334	3,438,348	3,386,467
Effect of dilutive common stock (in shares)	0	298	745
Average number of common shares outstanding used to calculate diluted earnings per share (in shares)	3,495,334	3,438,646	3,387,212