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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
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Schedule of Earnings Per Share [Line Items] |  |
Income from continuing operations | $ 9,376 | $ 17,306
Less: income allocated to participating securities | (163) | (360)
Less: participating securities dividends | (203) | (186)
Less: preferred stock dividends | (5,113) | (4,575)
Income from continuing operations allocated to common stockholders | 3,897 | 12,185
Income from discontinued operations | 7,825 | 2,381
Net income available to common stockholders | $ 11,722 | $ 14,566
Weighted average common shares outstanding (in shares) | 49,991,186 | 39,996,752
Add: Dilutive effects of warrants (in shares) | 346,058 | 479,025
Average shares and dilutive common shares (in shares) | 50,754,145 | 40,751,616
Basic earnings per common share |  |
Income from continuing operations (in usd per share) | $ 0.08 | $ 0.30
Income from discontinued operations (in usd per share) | 0.15 | 0.06
Net income (in usd per share) | 0.23 | 0.36
Diluted earnings per common share |  |
Income from continuing operations (in usd per share) | 0.08 | 0.30
Income from discontinued operations (in usd per share) | 0.15 | 0.06
Net income (in usd per share) | $ 0.23 | $ 0.36
Restricted Stock Units (RSUs) |  |
Schedule of Earnings Per Share [Line Items] |  |
Add: Dilutive effects of restricted stock units and stock options (in shares) | 209,395 | 138,644
Stock Option |  |
Schedule of Earnings Per Share [Line Items] |  |
Add: Dilutive effects of restricted stock units and stock options (in shares) | 207,506 | 137,195
Class A Common Stock |  |
Schedule of Earnings Per Share [Line Items] |  |
Income from continuing operations | $ 9,338 | $ 17,284
Less: income allocated to participating securities | (162) | (360)
Less: participating securities dividends | (202) | (186)
Less: preferred stock dividends | (5,092) | (4,569)
Income from continuing operations allocated to common stockholders | 3,882 | 12,169
Income from discontinued operations | 7,793 | 2,378
Net income available to common stockholders | $ 11,675 | $ 14,547
Weighted average common shares outstanding (in shares) | 49,788,421 | 39,946,412
Add: Dilutive effects of warrants (in shares) | 346,058 | 479,025
Average shares and dilutive common shares (in shares) | 50,551,380 | 40,701,276
Basic earnings per common share |  |
Income from continuing operations (in usd per share) | $ 0.08 | $ 0.30
Income from discontinued operations (in usd per share) | 0.15 | 0.06
Net income (in usd per share) | 0.23 | 0.36
Diluted earnings per common share |  |
Income from continuing operations (in usd per share) | 0.08 | 0.30
Income from discontinued operations (in usd per share) | 0.15 | 0.06
Net income (in usd per share) | $ 0.23 | $ 0.36
Class A Common Stock | Restricted Stock Units (RSUs) |  |
Schedule of Earnings Per Share [Line Items] |  |
Add: Dilutive effects of restricted stock units and stock options (in shares) | 209,395 | 138,644
Class A Common Stock | Stock Option |  |
Schedule of Earnings Per Share [Line Items] |  |
Add: Dilutive effects of restricted stock units and stock options (in shares) | 207,506 | 137,195
Class B Common Stock |  |
Schedule of Earnings Per Share [Line Items] |  |
Income from continuing operations | $ 38 | $ 22
Less: income allocated to participating securities | (1) | 0
Less: participating securities dividends | (1) | 0
Less: preferred stock dividends | (21) | (6)
Income from continuing operations allocated to common stockholders | 15 | 16
Income from discontinued operations | 32 | 3
Net income available to common stockholders | $ 47 | $ 19
Weighted average common shares outstanding (in shares) | 202,765 | 50,340
Add: Dilutive effects of warrants (in shares) | 0 | 0
Average shares and dilutive common shares (in shares) | 202,765 | 50,340
Basic earnings per common share |  |
Income from continuing operations (in usd per share) | $ 0.08 | $ 0.30
Income from discontinued operations (in usd per share) | 0.15 | 0.06
Net income (in usd per share) | 0.23 | 0.36
Diluted earnings per common share |  |
Income from continuing operations (in usd per share) | 0.08 | 0.30
Income from discontinued operations (in usd per share) | 0.15 | 0.06
Net income (in usd per share) | $ 0.23 | $ 0.36
Class B Common Stock | Restricted Stock Units (RSUs) |  |
Schedule of Earnings Per Share [Line Items] |  |
Add: Dilutive effects of restricted stock units and stock options (in shares) | 0 | 0
Class B Common Stock | Stock Option |  |
Schedule of Earnings Per Share [Line Items] |  |
Add: Dilutive effects of restricted stock units and stock options (in shares) | 0 | 0

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