Stock-Based Compensation (Schedule of Share-based Compensation, Stock Options, Activity) (Details) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Stock-Based Compensation [Abstract]
Shares outstanding, beginning balance	159,517	236,059
Shares exercised	(6,665)	(55,672)
Shares forfeited		(20,870)
Shares outstanding, ending balance	152,852	159,517
Shares, exercisable	152,852	159,517
Weighted average exercise price outstanding, beginning balance	$ 20.12	$ 18.49
Weighted average exercise price exercised	$ 15.89	$ 13.16
Weighted average exercise price forfeited		$ 20.27
Weighted average exercise price outstanding, ending balance	$ 20.30	$ 20.12
Weighted average exercise price exercisable	$ 20.30	$ 20.12
Aggregate intrinsic value outstanding, beginning balance	$ 347,000	$ 164,000
Aggregate intrinsic value exercised	34,000	310,000
Aggregate intrinsic value outstanding, ending balance	611,000	347,000
Aggregate intrinsic value exercisable	$ 611,000	$ 347,000
Weighted-average contractual life remaining in years outstanding (in years)	8 months 12 days	1 year
Weighted-average contractual life remaining in years exercisable (in years)	8 months 12 days	1 year