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Note Q - Parent Company Only Condensed Financial Information - Condensed Statements of Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | 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, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest on subordinated debentures |  |  |  |  |  |  |  |  |  |  |  |  | $ 248 | $ 204 | $ 170
Income before income taxes and equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | 11,995 | 8,840 | 11,383
Income tax benefit |  |  |  |  |  |  |  |  |  |  |  |  | 4,486 | 1,920 | 2,809
Net income | $ 898 | $ 1,653 | $ 1,741 | $ 3,217 | $ 2,024 | $ 358 | $ 1,706 | $ 2,832 | $ 1,898 | $ 1,642 | $ 1,410 | $ 3,624 | 7,509 | 6,920 | 8,574
Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  | 7,622 | 5,624 | 7,919
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest on notes |  |  |  |  |  |  |  |  |  |  |  |  | 51 | 52 | 53
Dividends from subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | 4,400 | 6,900 | 3,500
Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest on notes |  |  |  |  |  |  |  |  |  |  |  |  | 211 | 136 | 53
Interest on subordinated debentures |  |  |  |  |  |  |  |  |  |  |  |  | 248 | 204 | 170
Operating expenses |  |  |  |  |  |  |  |  |  |  |  |  | 332 | 667 | 345
Income before income taxes and equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | 3,660 | 5,945 | 2,985
Income tax benefit |  |  |  |  |  |  |  |  |  |  |  |  | 244 | 256 | 167
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | 3,605 | 719 | 5,422
Net income |  |  |  |  |  |  |  |  |  |  |  |  | 7,509 | 6,920 | 8,574
Comprehensive Income |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,622 | $ 5,624 | $ 7,919

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e557-108580 + Details
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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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