| Quarterly Financial Information [Text Block] |
- Selected Quarterly Financial Data (Unaudited) | | | | (dollars in thousands, except per share data) | | | | | | | | | | | | | | | | $ | 28,269 | | | $ | 29,286 | | | $ | 29,514 | | | $ | 29,922 | | | | | | 2,367 | | | | 2,659 | | | | 2,797 | | | | 2,932 | | | | | | 25,902 | | | | 26,627 | | | | 26,717 | | | | 26,990 | | Provision for loan and lease losses | | | 1,410 | | | | 445 | | | | 1,412 | | | | 1,059 | | | | | | 13,208 | | | | 13,820 | | | | 13,892 | | | | 13,119 | | | | | | 25,051 | | | | 26,259 | | | | 25,477 | | | | 24,958 | | Income before income taxes | | | 12,649 | | | | 13,743 | | | | 13,720 | | | | 14,092 | | | | | | 4,328 | | | | 4,810 | | | | 4,346 | | | | 4,684 | | | | | $ | 8,321 | | | $ | 8,933 | | | $ | 9,374 | | | $ | 9,408 | | Basic earnings per common share * | | $ | 0.49 | | | $ | 0.53 | | | $ | 0.56 | | | $ | 0.56 | | Diluted earnings per common share * | | $ | 0.49 | | | $ | 0.52 | | | $ | 0.55 | | | $ | 0.55 | | | | | $ | 0.20 | | | $ | 0.20 | | | $ | 0.21 | | | $ | 0.21 | | | | | | (dollars in thousands, except per share data) | | | | | | | | | | | | | | | | $ | 26,754 | | | $ | 26,993 | | | $ | 27,029 | | | $ | 27,766 | | | | | | 1,959 | | | | 1,923 | | | | 2,196 | | | | 2,337 | | | | | | 24,795 | | | | 25,070 | | | | 24,833 | | | | 25,429 | | Provision for loan and lease losses | | | 569 | | | | 850 | | | | 1,200 | | | | 1,777 | | | | | | 14,765 | | | | 14,177 | | | | 13,350 | | | | 13,668 | | | | | | 27,429 | | | | 25,982 | | | | 25,403 | | | | 46,951 | | Income (loss) before income taxes | | | 11,562 | | | | 12,415 | | | | 11,580 | | | | (9,631 | | | | | | 4,068 | | | | 4,296 | | | | 4,084 | | | | (3,276 | | | | | $ | 7,494 | | | $ | 8,119 | | | $ | 7,496 | | | $ | (6,355 | | Basic earnings (loss) per common share * | | $ | 0.43 | | | $ | 0.46 | | | $ | 0.43 | | | $ | (0.37 | | Diluted earnings per common share * | | $ | 0.42 | | | $ | 0.45 | | | $ | 0.42 | | | $ | (0.37 | | | | | $ | 0.19 | | | $ | 0.19 | | | $ | 0.20 | | | $ | 0.20 | | *Earnings per share is computed independently for each period shown. As a result, the sum of the quarters may not equal the total earnings per share for the year
|