Common Stock Repurchases (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Common Stock Repurchases (Textual) [Abstract]
Repurchased shares	0	23,183	250,760
Common stock purchased for treasury		$ (526,000)	$ (4,600,000)
Shares remain available for repurchase	1,030,438
Repurchased shares tax withholding	50,156	56,885	28,627
Share repurchased relating to tax withholding requirements	$ 1,300,000	$ 1,100,000	$ 679,000