Share-Based Compensation (Details) - Stock Option Rollforward (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Stock Option Rollforward [Abstract]
Outstanding at December 31, 2012 (in Shares)	718,475	849,961
Outstanding at December 31, 2012	$ 8.49	$ 8.19
Outstanding at December 31, 2012	6 years 73 days
Outstanding at December 31, 2012 (in Dollars)	$ 3,349,000
Options exercisable at December 31, 2013 (in Shares)	388,650
Options exercisable at December 31, 2013	$ 9.26
Options exercisable at December 31, 2013	4 years 219 days
Options exercisable at December 31, 2013 (in Dollars)	1,717,000,000
Options vested or expected to vest (in Shares)	699,575
Options vested or expected to vest	$ 8.52
Options vested or expected to vest	6 years 36 days
Options vested or expected to vest (in Dollars)	3,255,000,000
Granted (in Shares)		129,000
Granted		$ 7.94
Exercised (in Dollars)		$ (206,111,000)
Exercised		$ 5.45
Forfeited (in Shares)		(2,000)
Forfeited		$ 6.70
Cancelled (in Shares)		(52,375)
Cancelled		$ 14.24