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Stock Based Compensation (Restricted Stock Awards) (Details) (Restricted Stock Awards [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended
	Feb. 10, 2011
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	324
Approximate vesting date	Feb. 10, 2013
Fair value per share	$ 15.93

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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