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Stock Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Summary of Company's stock option activity  
Number of shares, Outstanding at beginning of period 215,343
Number of shares, Granted 0
Number of shares, Exercised 0
Number of shares, Forfeited 0
Number of shares, Expired (34,097)
Number of shares, Outstanding at March 31, 2013 181,246
Number of shares, Exercisable at March 31, 2013 165,350
Weighted Average Exercise Price, Outstanding at beginning of period $ 24.68
Weighted Average Exercise Price, Granted $ 0.00
Weighted Average Exercise Price, Exercised $ 0.00
Weighted Average Exercise Price, Forfeited $ 0.00
Weighted Average Exercise Price, Expired $ 22.62
Weighted Average Exercise Price, Outstanding at March 31, 2013 $ 25.07
Weighted Average Exercise Price, Exercisable at March 31, 2013 $ 25.21
Weighted Average Contractual Term (in years), Outstanding at March 31, 2013 3 years 3 months 18 days
Weighted Average Contractual Term (in years), Exercisable at March 31, 2013 3 years 1 month 6 days
Aggregate Intrinsic Value, Outstanding at March 31, 2013 $ 0
Aggregate Intrinsic Value, Exercisable at March 31, 2013 $ 0