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Stock Compensation (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Summary of changes in nonvested restricted stock awards  
Nonvested at beginning of period, Shares 49,574
Granted, Shares 31,500
Vested, Shares (15,674)
Nonvested at end of period, Shares 65,400
Nonvested at beginning of period, Weighted Average Grant Date Fair Value $ 15.37
Granted, Weighted Average Grant Date Fair Value $ 17.10
Vested, Weighted Average Grant Date Fair Value $ 15.23
Nonvested at end of period, Weighted Average Grant Date Fair Value $ 16.24