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EARNINGS PER COMMON SHARE - Computations for Basic and Diluted Earnings/(Loss) (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Schedule of Earnings Per Share [Line Items] |  |  |  |
Income from continuing operations | $ 18,108 | $ 25,179 | $ 42,622 | $ 62,245
Less: income allocated to participating securities | (153) | (734) | (329) | (1,612)
Less: participating securities dividends | (203) | (186) | (608) | (558)
Less: preferred stock dividends | (5,112) | (5,112) | (15,338) | (14,801)
Income from continuing operations allocated to common stockholders | 12,640 | 19,147 | 26,347 | 45,274
Income from discontinued operations | (1,159) | 10,758 | 3,785 | 19,907
Net income available to common stockholders | $ 11,481 | $ 29,905 | $ 30,132 | $ 65,181
Weighted average common shares outstanding (in shares) | 50,362,314 | 49,907,840 | 50,160,928 | 45,760,802
Dilutive effects of warrants (in shares) | 292,920 | 525,000 | 365,374 | 473,834
Average shares and dilutive common shares (in shares) | 50,933,358 | 50,996,469 | 50,810,407 | 46,681,317
Basic earnings per common share |  |  |  |
Income from continuing operations (in usd per share) | $ 0.25 | $ 0.38 | $ 0.52 | $ 0.99
Income from discontinued operations (in usd per share) | (0.02) | 0.22 | 0.08 | 0.43
Net income (in usd per share) | 0.23 | 0.60 | 0.60 | 1.42
Diluted earnings per common share |  |  |  |
Income from continuing operations (in usd per share) | 0.25 | 0.38 | 0.52 | 0.97
Income from discontinued operations (in usd per share) | (0.02) | 0.21 | 0.07 | 0.43
Net income (in usd per share) | $ 0.23 | $ 0.59 | $ 0.59 | $ 1.40
Stock Units |  |  |  |
Schedule of Earnings Per Share [Line Items] |  |  |  |
Dilutive effects of stock units and stock options (in shares) | 130,700 | 244,354 | 96,899 | 213,636
Stock Option |  |  |  |
Schedule of Earnings Per Share [Line Items] |  |  |  |
Dilutive effects of stock units and stock options (in shares) | 147,424 | 319,275 | 187,206 | 233,045
Class A Common Stock |  |  |  |
Schedule of Earnings Per Share [Line Items] |  |  |  |
Income from continuing operations | $ 17,980 | $ 25,097 | $ 42,384 | $ 62,102
Less: income allocated to participating securities | (152) | (732) | (327) | (1,608)
Less: participating securities dividends | (202) | (185) | (605) | (557)
Less: preferred stock dividends | (5,076) | (5,095) | (15,252) | (14,767)
Income from continuing operations allocated to common stockholders | 12,550 | 19,085 | 26,200 | 45,170
Income from discontinued operations | (1,151) | 10,723 | 3,764 | 19,861
Net income available to common stockholders | $ 11,399 | $ 29,808 | $ 29,964 | $ 65,031
Weighted average common shares outstanding (in shares) | 50,006,370 | 49,745,563 | 49,881,231 | 45,655,735
Dilutive effects of warrants (in shares) | 292,920 | 525,000 | 365,374 | 473,834
Average shares and dilutive common shares (in shares) | 50,577,414 | 50,834,192 | 50,530,710 | 46,576,250
Basic earnings per common share |  |  |  |
Income from continuing operations (in usd per share) | $ 0.25 | $ 0.38 | $ 0.52 | $ 0.99
Income from discontinued operations (in usd per share) | (0.02) | 0.22 | 0.08 | 0.43
Net income (in usd per share) | 0.23 | 0.60 | 0.60 | 1.42
Diluted earnings per common share |  |  |  |
Income from continuing operations (in usd per share) | 0.25 | 0.38 | 0.52 | 0.97
Income from discontinued operations (in usd per share) | (0.02) | 0.21 | 0.07 | 0.43
Net income (in usd per share) | $ 0.23 | $ 0.59 | $ 0.59 | $ 1.40
Class A Common Stock | Stock Units |  |  |  |
Schedule of Earnings Per Share [Line Items] |  |  |  |
Dilutive effects of stock units and stock options (in shares) | 130,700 | 244,354 | 96,899 | 213,636
Class A Common Stock | Stock Option |  |  |  |
Schedule of Earnings Per Share [Line Items] |  |  |  |
Dilutive effects of stock units and stock options (in shares) | 147,424 | 319,275 | 187,206 | 233,045
Class B Common Stock |  |  |  |
Schedule of Earnings Per Share [Line Items] |  |  |  |
Income from continuing operations | $ 128 | $ 82 | $ 238 | $ 143
Less: income allocated to participating securities | (1) | (2) | (2) | (4)
Less: participating securities dividends | (1) | (1) | (3) | (1)
Less: preferred stock dividends | (36) | (17) | (86) | (34)
Income from continuing operations allocated to common stockholders | 90 | 62 | 147 | 104
Income from discontinued operations | (8) | 35 | 21 | 46
Net income available to common stockholders | $ 82 | $ 97 | $ 168 | $ 150
Weighted average common shares outstanding (in shares) | 355,944 | 162,277 | 279,697 | 105,067
Dilutive effects of warrants (in shares) | 0 | 0 | 0 | 0
Average shares and dilutive common shares (in shares) | 355,944 | 162,277 | 279,697 | 105,067
Basic earnings per common share |  |  |  |
Income from continuing operations (in usd per share) | $ 0.25 | $ 0.38 | $ 0.52 | $ 0.99
Income from discontinued operations (in usd per share) | (0.02) | 0.22 | 0.08 | 0.43
Net income (in usd per share) | 0.23 | 0.60 | 0.60 | 1.42
Diluted earnings per common share |  |  |  |
Income from continuing operations (in usd per share) | 0.25 | 0.38 | 0.52 | 0.99
Income from discontinued operations (in usd per share) | (0.02) | 0.22 | 0.08 | 0.43
Net income (in usd per share) | $ 0.23 | $ 0.60 | $ 0.60 | $ 1.42
Class B Common Stock | Stock Units |  |  |  |
Schedule of Earnings Per Share [Line Items] |  |  |  |
Dilutive effects of stock units and stock options (in shares) | 0 | 0 | 0 | 0
Class B Common Stock | Stock Option |  |  |  |
Schedule of Earnings Per Share [Line Items] |  |  |  |
Dilutive effects of stock units and stock options (in shares) | 0 | 0 | 0 | 0

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