Quarterly report pursuant to Section 13 or 15(d)

Stock Repurchase Program (Narrative) (Details)

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Stock Repurchase Program (Narrative) (Details)
3 Months Ended 83 Months Ended 3 Months Ended
Dec. 31, 2013
Dec. 31, 2013
Jan. 17, 2007
Dec. 31, 2013
Annually [Member]
Dec. 31, 2013
Annually per Individual [Member]
Dec. 31, 2012
Private Repurchase [Member]
Dec. 31, 2012
Open Market Repurchase [Member]
Equity, Class of Treasury Stock [Line Items]              
Number of shares authorized to be repurchased 3,000,000 3,000,000 1,000,000 450,000 50,000    
Stock repurchased during period, shares 0 2,014,454       25,000 0
Remaining number of shares authorized to be repurchased 985,546 985,546