Note 14 - Earnings Per Share - Calculations of Earnings Per Common Share (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Net Income | $ 3,578,000 | $ 3,687,000 | $ 4,239,000 | $ 2,997,000 | $ 4,014,000 | $ 3,006,000 | $ 2,285,000 | $ 2,777,000 | $ 14,501,000 | $ 12,082,000 | $ 7,315,000 |
| Less preferred dividends | |||||||||||
| Net income applicable to common stock | $ 14,501,000 | $ 12,082,000 | $ 7,315,000 | ||||||||
| Average common shares outstanding (in shares) | 22,802,325 | 22,742,476 | 22,109,911 | ||||||||
| Basic Earnings Per Common Share (in dollars per share) | $ 0.16 | $ 0.16 | $ 0.19 | $ 0.13 | $ 0.18 | $ 0.13 | $ 0.10 | $ 0.12 | $ 0.64 | $ 0.53 | $ 0.33 |
| Net income | $ 3,578,000 | $ 3,687,000 | $ 4,239,000 | $ 2,997,000 | $ 4,014,000 | $ 3,006,000 | $ 2,285,000 | $ 2,777,000 | $ 14,501,000 | $ 12,082,000 | $ 7,315,000 |
| Less preferred dividends | |||||||||||
| Net income applicable to common stock | $ 14,501,000 | $ 12,082,000 | $ 7,315,000 | ||||||||
| Average common shares outstanding (in shares) | 22,802,325 | 22,742,476 | 22,109,911 | ||||||||
| Stock based compensation adjustment (in shares) | 134,868 | 174,278 | 180,657 | ||||||||
| Average common shares outstanding - diluted (in shares) | 22,937,193 | 22,916,754 | 22,290,568 | ||||||||
| Income per common share - diluted (in dollars per share) | $ 0.16 | $ 0.16 | $ 0.18 | $ 0.13 | $ 0.18 | $ 0.13 | $ 0.10 | $ 0.12 | $ 0.63 | $ 0.53 | $ 0.33 |