Stock-Based Compensation Plans (Summary of Nonvested Stock Options) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Awards
Nonvested, beginning	34,950
Granted	4,500
Vested	(17,000)
Forfeited	(1,350)
Nonvested, ending	21,100	34,950
Weighted- Average Grant Date Fair Value
Nonvested, beginning	$ 11.23
Granted	$ 8.92	$ 15.97	$ 13.00
Vested	$ 9.88
Forfeited	$ 12.05
Nonvested, ending	$ 11.77	$ 11.23