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Note 18 - Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Basic |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to common shares |  | $ | 49,456,000 |  |  | $ | 42,024,000 |  |  | $ | 31,274,000 |
Weighted average common shares outstanding |  |  | 16,405,159 |  |  |  | 16,600,612 |  |  |  | 16,478,968 |
Basic earnings per common share |  | $ | 3.01 |  |  | $ | 2.53 |  |  | $ | 1.90 |
Diluted |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to common shares |  | $ | 49,456,000 |  |  | $ | 42,024,000 |  |  | $ | 31,274,000 |
Weighted average common shares outstanding for basic earnings per common share |  |  | 16,405,159 |  |  |  | 16,600,612 |  |  |  | 16,478,968 |
Add: Dilutive effects of share-based awards |  |  | 3,976 |  |  |  | 5,804 |  |  |  | 10,102 |
Average shares and dilutive potential common shares |  |  | 16,409,135 |  |  |  | 16,606,416 |  |  |  | 16,489,070 |
Diluted earnings per common share |  | $ | 3.01 |  |  | $ | 2.53 |  |  | $ | 1.90 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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