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SUMMARIZED QUARTERLY FINANCIAL DATA (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Information Disclosure Abstract |
Schedule of Quarterly Financial Information [Table Text Block] |
| Quarters Ended
| December 31 |  | September 30 |  | June 30 |  | March 31
| (amounts in thousands, except per share data)
2015 |  |  |  |  |  |  |  |  |  |  |
Net revenues | $ | 117,704 |  | $ | 114,662 |  | $ | 100,592 |  | $ | 78,420
Operating income | $ | 32,555 |  | $ | 23,159 |  | $ | 20,615 |  | $ | 9,253
Net income (loss) available to the Company | $ | 14,088 |  | $ | 8,442 |  | $ | 6,747 |  | $ | (93)
Net income (loss) available to common shareholders | $ | 13,675 |  | $ | 8,103 |  | $ | 6,747 |  | $ | (93)
Net income (loss) available to common shareholders |  |  |  |  |  |  |  |  |  |  |
per share - basic (1) | $ | 0.36 |  | $ | 0.21 |  | $ | 0.18 |  | $ | -
Weighted average common shares outstanding - basic |  | 38,088 |  |  | 38,076 |  |  | 38,074 |  |  | 38,026
Net income (loss) available to common shareholders |  |  |  |  |  |  |  |  |  |  |
per share - diluted (1) | $ | 0.34 |  | $ | 0.21 |  | $ | 0.17 |  | $ | -
Weighted average common shares outstanding - diluted |  | 40,974 |  |  | 38,913 |  |  | 38,929 |  |  | 38,026
| Quarters Ended
| December 31 |  | September 30 |  | June 30 |  | March 31
| (amounts in thousands, except per share data)
2014 |  |  |  |  |  |  |  |  |  |  |
Net revenues | $ | 101,513 |  | $ | 99,840 |  | $ | 100,201 |  | $ | 78,235
Operating income | $ | 28,531 |  | $ | 21,205 |  | $ | 23,916 |  | $ | 11,924
Net income (loss) available to the Company | $ | 10,850 |  | $ | 6,473 |  | $ | 8,137 |  | $ | 1,363
Net income (loss) available to common shareholders | $ | 10,850 |  | $ | 6,473 |  | $ | 8,137 |  | $ | 1,363
Net income (loss) available to common shareholders |  |  |  |  |  |  |  |  |  |  |
per share - basic (1) | $ | 0.29 |  | $ | 0.17 |  | $ | 0.22 |  | $ | 0.04
Weighted average common shares outstanding - basic |  | 37,779 |  |  | 37,693 |  |  | 37,687 |  |  | 37,660
Net income (loss) available to common shareholders |  |  |  |  |  |  |  |  |  |  |
per share - diluted (1) | $ | 0.28 |  | $ | 0.17 |  | $ | 0.21 |  | $ | 0.04
Weighted average common shares outstanding - diluted |  | 38,730 |  |  | 38,482 |  |  | 38,446 |  |  | 38,501

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and 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=35737889&loc=d3e1280-108306 + Details
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