Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Details 1)

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Employee Benefit Plans (Details 1) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Status of non-vested restricted stock and restricted stock unit grants related to Stock Plans  
Non-vested Restricted Stock and Restricted Stock Units, Beginning Balance 690
Non-vested Restricted Stock and Restricted Stock Units, Granted 451
Non-vested Restricted Stock and Restricted Stock Units, Forfeited (10)
Non-vested Restricted Stock and Restricted Stock Units, Vested (304)
Non-vested Restricted Stock and Restricted Stock Units, Ending Balance 827
Weighted Average Grant Date Fair value, Beginning Balance $ 11.91
Weighted Average Grant date fair Value, Granted $ 18.50
Weighted Average Grant date fair Value, Forfeited $ 14.55
Weighted Average Grant date fair Value, Vested $ 11.75
Weighted Average Grant Date Fair value, Ending Balance $ 15.53