Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v2.3.0.15
Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, except Per Share data
3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Earning per Share        
Net income available to common stockholders $ 104,185 $ 67,629 $ 355,624 $ 124,499
Effect of assumed conversions        
Net income available to common stockholders and assumed conversions $ 104,185 $ 67,629 $ 355,624 $ 124,499
Average common shares outstanding-basic 3,747,381 3,689,245 3,742,309 3,686,312
Dilutive effect of equity instruments 2,759,989 2,680,586 2,758,510 2,674,778
Average common shares outstanding-diluted 6,507,370 6,369,831 6,500,819 6,361,090
Net income per common share        
Basic $ 0.03 $ 0.02 $ 0.10 $ 0.03
Diluted $ 0.02 $ 0.01 $ 0.05 $ 0.02