Annual report pursuant to Section 13 and 15(d)

EQUITY AND EARNINGS PER SHARE EQUITY AND EARNINGS PER SHARE - Earnings Per Share (Details)

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EQUITY AND EARNINGS PER SHARE EQUITY AND EARNINGS PER SHARE - Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Numerator for basic and diluted earnings per share:                      
(Loss) income from continuing operations after preferred dividends and noncontrolling interest                 $ (47,781) $ 71,499 $ 15,621
Income from discontinued operations                 0 0 646
(Loss) Income Applicable To Common Stockholders $ (25,467) $ (1,864) $ (6,101) $ (14,349) $ (21,099) $ 18,923 $ 1,651 $ 72,024 $ (47,781) $ 71,499 $ 16,267
Denominator:                      
Denominator for basic earnings per share - weighted average shares (in shares) 66,963,297 66,932,744 66,874,155 66,841,977 66,772,360 66,730,583 66,681,248 66,654,598 66,903,457 66,709,925 66,479,321
Effect of dilutive securities                      
Options (in shares)                 0 2,078,515 2,168,594
Denominator for diluted earnings per share - adjusted weighted average shares (in shares) 66,963,297 66,932,744 66,874,155 66,841,977 66,772,360 69,072,676 68,899,515 68,284,898 66,903,457 68,788,440 68,647,915
Basic earnings per share:                      
Income from continuing operations per share of common stock, after preferred dividends and noncontrolling interest (in dollars per share)                 $ (0.71) $ 1.07 $ 0.23
Income from discontinued operations per share of common stock (in dollars per share)                 0.00 0.00 0.01
Income Applicable to Common Stock, per share (in dollars per share) $ (0.38) $ (0.03) $ (0.09) $ (0.21) $ (0.32) $ 0.28 $ 0.02 $ 1.08 (0.71) 1.07 0.24
Diluted earnings per share:                      
Income from continuing operations per share of common stock, after preferred dividends and noncontrolling interest (in dollars per share)                 (0.71) 1.04 0.23
Income from discontinued operations per share of common stock (in dollars per share)                 0.00 0.00 0.01
Income Applicable to Common Stock, per share (in dollars per share) $ (0.38) $ (0.03) $ (0.09) $ (0.21) $ (0.32) $ 0.27 $ 0.02 $ 1.05 $ (0.71) $ 1.04 $ 0.24