XML 50 R42.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Earnings Per Common Share (Reconciliation Of The Numerator And Denominator Of Basic And Diluted Earnings Per Common Share) (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Earnings Per Common Share        
Net income $ 9,828,000 $ 8,721,000 $ 17,595,000 $ 16,149,000
Net Income, Available to Common Stockholders, Basic, Total 9,828,000 8,721,000 17,595,000 16,149,000
Number of Shares Outstanding, Basic 66,517,000 65,948,000 66,459,000 65,898,000
Basic earnings per common share $ 0.15 $ 0.13 $ 0.26 $ 0.25
Effect of Dilutive Securities Options 1,028,000 1,030,000 1,040,000 1,085,000
Net Income, Available to Common Stockholders, Diluted, Total $ 9,828,000 $ 8,721,000 $ 17,595,000 $ 16,149,000
Number of Shares Outstanding, Diluted 67,545,000 66,978,000 67,499,000 66,983,000
Options       $ (0.01)
Diluted earnings per common share $ 0.15 $ 0.13 $ 0.26 $ 0.24