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14. Quarterly Financial Data (Tables) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract] |
Quarterly financial data table |
|  | Quarter Ended |
|  | March 31, |  |  | June 30, |  |  | September 30, |  |  | December 31, |
|  | (In thousands, except per share data) |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 100,649 |  |  | $ | 104,933 |  |  | $ | 108,516 |  |  | $ | 108,183 |
Income before income tax expense |  |  | 12,229 |  |  |  | 12,325 |  |  |  | 12,455 |  |  |  | 12,651 |
Net income |  |  | 7,214 |  |  |  | 7,272 |  |  |  | 7,348 |  |  |  | 7,465 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.29 |  |  | $ | 0.30 |  |  | $ | 0.31 |  |  | $ | 0.31 |
Diluted |  |  | 0.24 |  |  |  | 0.25 |  |  |  | 0.26 |  |  |  | 0.26 |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 85,989 |  |  | $ | 88,361 |  |  | $ | 93,991 |  |  | $ | 95,308 |
Income before income tax expense |  |  | 14,749 |  |  |  | 15,200 |  |  |  | 15,649 |  |  |  | 15,783 |
Net income |  |  | 8,333 |  |  |  | 8,537 |  |  |  | 8,843 |  |  |  | 8,967 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.33 |  |  | $ | 0.33 |  |  | $ | 0.34 |  |  | $ | 0.35 |
Diluted |  |  | 0.26 |  |  |  | 0.27 |  |  |  | 0.28 |  |  |  | 0.29 |
2014 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 68,146 |  |  | $ | 71,594 |  |  | $ | 77,050 |  |  | $ | 83,467 |
Income before income tax expense |  |  | 11,764 |  |  |  | 12,329 |  |  |  | 13,804 |  |  |  | 14,346 |
Net income |  |  | 6,705 |  |  |  | 7,026 |  |  |  | 7,776 |  |  |  | 8,010 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.28 |  |  | $ | 0.28 |  |  | $ | 0.31 |  |  | $ | 0.31 |
Diluted |  |  | 0.21 |  |  |  | 0.22 |  |  |  | 0.24 |  |  |  | 0.25 |

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- References No definition available. + Details
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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1280-108306 + Details
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