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CONSOLIDATED STATEMENTS OF EQUITY - USD ($)
shares in Thousands, $ in Thousands
Preferred Stock
Common Stock
Capital in Excess of Par Value
Cumulative Net Income
Accumulated Other Comprehensive Income (Loss)
Cumulative Distributions
Total
Balance at beginning of period at Dec. 31, 2013 $ 38,500 $ 347 $ 688,654 $ 781,848 $ 117 $ (877,028) $ 632,438
Balance (in shares) at Dec. 31, 2013 2,000 34,746          
Equity activity              
Reclassification adjustment         (35)   (35)
Issuance of common stock   $ 6 24,638       24,644
Issuance of common stock (in shares)   600          
Issuance of restricted stock   $ 1 (1)        
Issuance of restricted stock (in shares)   95          
Net income (loss)       73,399     73,399
Vesting of restricted stock     3,241       3,241
Vested stock options     12       12
Stock option exercises   $ 1 1,070       1,071
Options exercised (in shares)   45          
Preferred stock dividends           (3,273) (3,273)
Common stock dividends           (71,158) (71,158)
Other     (218)       (218)
Other (in shares)   (6)          
Balance at end of period at Dec. 31, 2014 $ 38,500 $ 355 717,396 855,247 82 (951,459) 660,121
Balance (in shares) at Dec. 31, 2014 2,000 35,480          
Equity activity              
Reclassification adjustment         (35)   (35)
Issuance of restricted stock   $ 1 (1)        
Issuance of restricted stock (in shares)   92          
Net income (loss)       73,081     73,081
Vesting of restricted stock     3,992       3,992
Vested stock options     14       14
Stock option exercises     79       79
Options exercised (in shares)   3          
Conversion of Series C Preferred Stock $ (38,500) $ 20 38,480        
Conversion of Series C Preferred Stock (in shares) (2,000) 2,000          
Preferred stock dividends           (2,454) (2,454)
Common stock dividends           (74,311) (74,311)
Other   $ (1) (1,284)       (1,285)
Other (in shares)   (27)          
Balance at end of period at Dec. 31, 2015   $ 375 758,676 928,328 47 (1,028,224) 659,202
Balance (in shares) at Dec. 31, 2015   37,548          
Equity activity              
Reclassification adjustment         $ (47)   (47)
Issuance of common stock   $ 16 78,120       78,136
Issuance of common stock (in shares)   1,643          
Issuance of restricted stock   $ 1 (42)       (41)
Issuance of restricted stock (in shares)   73          
Net income (loss)       85,115     85,115
Vesting of restricted stock     4,265       4,265
Vested stock options     15       15
Stock option exercises     159       159
Options exercised (in shares)   7          
Common stock dividends           (84,568) (84,568)
Other     (2,188)       (2,188)
Other (in shares)   (50)          
Balance at end of period at Dec. 31, 2016   $ 392 $ 839,005 $ 1,013,443   $ (1,112,792) $ 740,048
Balance (in shares) at Dec. 31, 2016   39,221