XML 28 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8
Calculation for Basic and Diluted Earnings per Common Share (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Calculation For Basic And Diluted Earnings Per Common Share [Line Items]        
Net income $ 5,412 $ 10,059 $ 17,988 $ 20,138
Dividends on preferred stock 261 220 772 786
Net income available to common shareholders $ 5,151 $ 9,839 $ 17,216 $ 19,352
Weighted average common shares outstanding, basic 20,008,861 20,013,264 20,013,095 18,812,516
Diluted shares for stock options and restricted stock 35,850 19,138 31,671 7,384
Weighted average convertible preferred shares 1,091,462 1,301,049 1,158,715 1,304,038
Weighted average common shares outstanding, diluted 21,136,173 21,333,451 21,203,481 20,123,938
Basic earnings per common share $ 0.26 $ 0.49 $ 0.86 $ 1.03
Diluted earnings per common share $ 0.26 $ 0.47 $ 0.85 $ 1.00