Stock Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Loan Agreement [Line Items]
Share-based Compensation	$ 1,125	$ 1,596
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	114,753
Share Based Compensation Non Option Equity Instruments Granted Weighted Average Exercise Price	$ 12.89
MSU [Member]
Loan Agreement [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted	51,292
Minimum [Member]
Loan Agreement [Line Items]
Equity Share Payout Range	0
Maximum [Member]
Loan Agreement [Line Items]
Equity Share Payout Range	76,941