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Quarterly Operating Results (Unaudited) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Data [Abstract] |
Quarterly Operating Results (Unaudited) | Quarterly Operating Results (Unaudited)
|  | 2016 Quarter Ended
|  | March 31 |  | June 30 |  | September 30 |  | December 31
|  | (In thousands, except per share data)
Total revenue |  | $ | 213,034 |  |  | $ | 256,664 |  |  | $ | 220,239 |  |  | $ | 206,621 |
Total operating expenses |  | 188,723 |  |  | 198,559 |  |  | 178,936 |  |  | 172,870 |
Operating income |  | $ | 24,311 |  |  | $ | 58,105 |  |  | $ | 41,303 |  |  | $ | 33,751 |
Net income |  | $ | 16,778 |  |  | $ | 44,175 |  |  | $ | 29,937 |  |  | $ | 23,906 |
Basic earnings per share |  | $ | 0.08 |  |  | $ | 0.22 |  |  | $ | 0.15 |  |  | $ | 0.12 |
Diluted earnings per share |  | $ | 0.08 |  |  | $ | 0.22 |  |  | $ | 0.15 |  |  | $ | 0.12 |
|  | 2015 Quarter Ended
|  | March 31 |  | June 30 |  | September 30 |  | December 31
|  | (In thousands, except per share data)
Total revenue |  | $ | 208,888 |  |  | $ | 249,801 |  |  | $ | 238,502 |  |  | $ | 233,799 |
Total operating expenses |  | 187,482 |  |  | 205,637 |  |  | 197,086 |  |  | 195,511 |
Operating income |  | $ | 21,406 |  |  | $ | 44,164 |  |  | $ | 41,416 |  |  | $ | 38,288 |
Net income |  | $ | 10,641 |  |  | $ | 24,822 |  |  | $ | 24,464 |  |  | $ | 25,703 |
Basic earnings per share |  | $ | 0.05 |  |  | $ | 0.12 |  |  | $ | 0.12 |  |  | $ | 0.14 |
Diluted earnings per share |  | $ | 0.05 |  |  | $ | 0.12 |  |  | $ | 0.12 |  |  | $ | 0.14 |

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1570-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 + Details
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