v2.4.0.6
Summary Of Changes In The Company's Nonvested Shares (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Summary Of Changes In Company’S Nonvested Shares [Line Items]  
Nonvested, Shares at January 1, 2012 0
Shares Granted 4,185
Shares Vested 0
Shares Forfeited 0
Shares Nonvested at September 30, 2012 4,185
Weighted-Average Grant-Date Fair Value Nonvested at January 1, 2012 $ 0
Weighted-Average Grant-Date Fair Value Granted $ 25.80
Weighted-Average Grant-Date Fair Value Vested $ 0
Weighted-Average Grant-Date Fair Value Forfeited $ 0
Weighted-Average Grant-Date Fair Value Nonvested at September 30, 2012 $ 25.80