Stock-Based Compensation (Options Outstanding) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	47,500	68,400	47,500	68,400	50,500	61,500	68,400	68,400
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 22.41	$ 22.63	$ 22.41	$ 22.63	$ 22.49	$ 22.49	$ 22.63	$ 22.63
Options Granted, Shares	0	0	0	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Options Exercised, Shares	0	0	0	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period	(3,000)	0	(14,000)	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price	$ 23.83	$ 0.00	$ 22.74	$ 0.00
$20.55
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	18,000		18,000
Option Price	$ 20.55		$ 20.55
$23.91
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	3,500		3,500
Option Price	$ 23.91		$ 23.91
$23.03
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	3,500		3,500
Option Price	$ 23.03		$ 23.03
$24.34
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	2,000		2,000
Option Price	$ 24.34		$ 24.34
$24.61
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	1,000		1,000
Option Price	$ 24.61		$ 24.61
$24.28
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	2,000		2,000
Option Price	$ 24.28		$ 24.28
$23.49
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	13,000		13,000
Option Price	$ 23.49		$ 23.49
$22.91
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	2,500		2,500
Option Price	$ 22.91		$ 22.91
$22.91
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options	2,000		2,000
Option Price	$ 22.91		$ 22.91