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SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) | 12 Months Ended
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Dec. 31, 2017
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) |
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) | 20. SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) The following is a summary of quarterly financial information for the years ended December 31, 2017 and 2016 (in thousands, except per share data):
|  | Three months ended |
|  | March 31, |  | June 30, |  | September 30, |  | December 31, |
|  | 2017 |  | 2017 |  | 2017 |  | 2017 |
Total revenues |  | $ | 133,037 |  | $ | 138,559 |  | $ | 143,865 |  | $ | 143,482 |
Total operating expenses |  |  | 92,646 |  |  | 91,025 |  |  | 91,586 |  |  | 87,971 |
Net income attributable to the Company |  |  | 24,986 |  |  | 32,458 |  |  | 37,297 |  |  | 39,547 |
Basic earnings per share |  |  | 0.14 |  |  | 0.18 |  |  | 0.21 |  |  | 0.22 |
Diluted earnings per share |  |  | 0.14 |  |  | 0.18 |  |  | 0.21 |  |  | 0.22 |
|  | Three months ended |
|  | March 31, |  | June 30, |  | September 30, |  | December 31, |
|  | 2016 |  | 2016 |  | 2016 |  | 2016 |
Total revenues |  | $ | 118,871 |  | $ | 126,526 |  | $ | 132,096 |  | $ | 132,546 |
Total operating expenses |  |  | 90,145 |  |  | 93,509 |  |  | 92,585 |  |  | 90,848 |
Net income attributable to the Company |  |  | 15,750 |  |  | 20,424 |  |  | 24,884 |  |  | 26,847 |
Basic earnings per share |  |  | 0.08 |  |  | 0.11 |  |  | 0.13 |  |  | 0.13 |
Diluted earnings per share |  |  | 0.08 |  |  | 0.11 |  |  | 0.13 |  |  | 0.13 |
The sum of quarterly earnings per share amounts do not necessarily equal the full year amounts.

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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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