Stock Compensation Plans (Changes in the Stock Options Outstanding) (Details) - Employee stock Option [Member] $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($) $ / shares shares
Number of Options
Outstanding, at the beginning | shares	180,796
Forfeited | shares	(9,028)
Exercised | shares	(1,250)
Outstanding, at the end | shares	170,518
Options Exercisable | shares	164,268
Weighted Average Exercise Price
Outstanding, at the beginning	$ 25.86
Forfeited	24.46
Exercised	18.10
Outstanding, at the end	25.99
Exercisable	$ 26.33
Aggregate Intrinsic Value
Outstanding, at the beginning | $	$ 271
Outstanding at end | $	259
Exercisable | $	$ 222