Quarterly Financial Data (Unaudited) (Quarterly Financial Data) (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Revenues | $ 294,333 | $ 282,214 | $ 296,748 | $ 278,823 | $ 264,950 | $ 223,732 | $ 220,753 | $ 211,818 | $ 1,152,118 | $ 921,253 | $ 793,116 |
| Expenses | 294,778 | 285,363 | 299,581 | 284,146 | 262,920 | 224,303 | 217,063 | 206,973 | |||
| (Loss) income before item shown below | (445) | (3,149) | (2,833) | (5,323) | 2,030 | (571) | 3,690 | 4,845 | (11,750) | 9,994 | 2,525 |
| Change in fair value of contingent consideration | 24 | 0 | 0 | 31 | 0 | 0 | 0 | 12 | 55 | 12 | (121) |
| (Loss) income before income taxes | (421) | (3,149) | (2,833) | (5,292) | 2,030 | (571) | 3,690 | 4,857 | (11,695) | 10,006 | 2,404 |
| Net loss | (2,227) | (2,937) | (2,477) | (3,572) | 10,427 | 15,738 | 2,923 | 4,264 | |||
| Net loss attributable to non-controlling interest | 23 | 11 | 8 | 20 | 19 | 20 | 21 | 21 | (62) | (81) | (68) |
| Net (loss) income attributable to the Company | (2,204) | (2,926) | (2,469) | (3,552) | 10,446 | 15,758 | 2,944 | 4,285 | (11,151) | 33,433 | (454) |
| Dividends declared on preferred stock | (7,335) | (7,289) | (7,152) | (6,332) | (5,461) | (4,848) | (3,710) | (3,225) | (28,108) | (17,244) | (6,911) |
| Net (loss) income available to common shareholders | $ (9,539) | $ (10,215) | $ (9,621) | $ (9,884) | $ 4,985 | $ 10,910 | $ (766) | $ 1,060 | $ (39,259) | $ 16,189 | $ (7,365) |
| Basic income (loss) per common share | $ (0.05) | $ (0.06) | $ (0.05) | $ (0.05) | $ 0.03 | $ 0.06 | $ 0.00 | $ 0.01 | $ (0.21) | $ 0.09 | $ (0.04) |
| Diluted income (loss) per common share | $ (0.05) | $ (0.06) | $ (0.05) | $ (0.05) | $ 0.02 | $ 0.05 | $ 0.00 | $ 0.01 | $ (0.21) | $ 0.08 | $ (0.04) |
| Basic weighted average common shares | 181,423,440 | 183,519,768 | 184,743,052 | 184,998,551 | 184,805,171 | 182,988,516 | 181,739,505 | 181,502,068 | 183,660,993 | 182,768,494 | 182,295,476 |
| Diluted weighted average common shares | 181,423,440 | 183,519,768 | 184,743,052 | 184,998,551 | 210,297,301 | 210,535,372 | 181,739,505 | 202,332,855 | 183,660,993 | 206,512,437 | 182,295,476 |
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- Definition Increase Decrease In Fair Value Of Contingent Consideration No definition available.
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders. No definition available.
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- References No definition available.
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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