v2.4.0.6
Quarterly Financial Data -- Unaudited (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Quarterly Financial Data [Abstract]                      
Interest income $ 13,903 $ 13,958 $ 13,958 $ 13,948 $ 14,453 $ 14,168 $ 14,122 $ 14,029      
Interest expense 1,214 1,348 1,700 1,895 1,911 2,026 2,243 2,324 6,157 8,504 10,756
Net interest income 12,689 12,610 12,258 12,053 12,542 12,142 11,879 11,705 49,610 48,268 40,127
Provision for loan losses 896 720 416 615 517 728 916 940      
Net interest income after provision for loan losses 11,793 11,890 11,842 11,438 12,025 11,414 10,963 10,765 46,963 45,167 36,390
Other income 4,710 4,523 4,497 4,580 4,023 3,700 4,059 4,005 18,310 15,787 13,820
Other expense 10,877 10,562 10,782 10,617 10,886 10,864 11,011 10,292 42,838 43,053 36,927
Income before income taxes 5,626 5,851 5,557 5,401 5,162 4,250 4,011 4,478 22,435 17,901 13,283
Income taxes 2,117 2,204 2,078 2,011 1,892 1,571 1,433 1,633 8,410 6,529 4,522
Net income 3,509 3,647 3,479 3,390 3,270 2,679 2,578 2,845 14,025 11,372 8,761
Dividends on preferred shares 1,104 1,104 1,105 939 939 919 1,011 707 4,252 3,576 2,240
Net income available to common stockholders $ 2,405 $ 2,543 $ 2,374 $ 2,451 $ 2,331 $ 1,760 $ 1,567 $ 2,138 $ 9,773 $ 7,796 $ 6,521
Basic earnings per common share $ 400.00 $ 420.00 $ 390.00 $ 410.00 $ 390.00 $ 290.00 $ 260.00 $ 350.00 $ 1.62 $ 1.29 $ 1.07
Diluted earnings per common share $ 400.00 $ 420.00 $ 390.00 $ 410.00 $ 390.00 $ 290.00 $ 260.00 $ 350.00 $ 1.62 $ 1.29 $ 1.07