Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Preferred Stock
Common Stock
Capital in Excess of Par Value
Accumulated Deficit
AOCL
Beginning balance, value at Dec. 31, 2018 $ 2,801,749 $ 166,177 $ 4,289 $ 4,995,697 $ (2,357,255) $ (7,159)
Preferred shares outstanding, beginning balance at Dec. 31, 2018   6,900,000        
Common shares outstanding, beginning balance at Dec. 31, 2018     85,787,355      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 43,578       43,578  
Dividends declared on preferred stock (2,588)       (2,588)  
Net income (loss) attributable to common stockholders/after preferred distributions 40,990       40,990  
Other comprehensive income (loss) (5,021)         (5,021)
Dividends declared on common stock (54,254)       (54,254)  
Tax withholdings related to net stock settlements (704)   $ (1)   (703)  
Tax withholdings related to net stock settlements (in shares)     (17,800)      
Issuance of stock 32,686   $ 45 32,641    
Issuance of stock (in shares)     893,526      
Other (79)     (79)    
Stock-based compensation, net 3,269   $ 8 3,570 (309)  
Stock-based compensation, net (in shares)     148,705      
Ending balance, value at Mar. 31, 2019 2,818,636 $ 166,177 $ 4,341 5,031,829 (2,371,531) (12,180)
Preferred shares outstanding, ending balance at Mar. 31, 2019   6,900,000        
Common shares outstanding, ending balance at Mar. 31, 2019     86,811,786      
Beginning balance, value at Dec. 31, 2018 2,801,749 $ 166,177 $ 4,289 4,995,697 (2,357,255) (7,159)
Preferred shares outstanding, beginning balance at Dec. 31, 2018   6,900,000        
Common shares outstanding, beginning balance at Dec. 31, 2018     85,787,355      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 170,609          
Net income (loss) attributable to common stockholders/after preferred distributions 162,846          
Other comprehensive income (loss) (5,003)          
Ending balance, value at Sep. 30, 2019 3,332,780 $ 166,177 $ 4,987 5,544,170 (2,370,392) (12,162)
Preferred shares outstanding, ending balance at Sep. 30, 2019   6,900,000        
Common shares outstanding, ending balance at Sep. 30, 2019     99,730,073      
Beginning balance, value at Mar. 31, 2019 2,818,636 $ 166,177 $ 4,341 5,031,829 (2,371,531) (12,180)
Preferred shares outstanding, beginning balance at Mar. 31, 2019   6,900,000        
Common shares outstanding, beginning balance at Mar. 31, 2019     86,811,786      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 45,737       45,737  
Dividends declared on preferred stock (2,588)       (2,588)  
Net income (loss) attributable to common stockholders/after preferred distributions 43,149       43,149  
Other comprehensive income (loss) (8,754)         (8,754)
Dividends declared on common stock (56,318)       (56,318)  
Tax withholdings related to net stock settlements (678)   $ (1)   (677)  
Tax withholdings related to net stock settlements (in shares)     (16,367)      
Issuance of stock 129,850   $ 165 129,685    
Issuance of stock (in shares)     3,292,102      
Stock-based compensation, net 3,575   $ 1 3,882 (308)  
Stock-based compensation, net (in shares)     23,206      
Ending balance, value at Jun. 30, 2019 2,929,460 $ 166,177 $ 4,506 5,165,396 (2,385,685) (20,934)
Preferred shares outstanding, ending balance at Jun. 30, 2019   6,900,000        
Common shares outstanding, ending balance at Jun. 30, 2019     90,110,727      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 81,294       81,294  
Dividends declared on preferred stock (2,587)       (2,587)  
Net income (loss) attributable to common stockholders/after preferred distributions 78,707       78,707  
Other comprehensive income (loss) 8,772         8,772
Dividends declared on common stock (62,322)       (62,322)  
Tax withholdings related to net stock settlements (1,158)   $ (1)   (1,157)  
Tax withholdings related to net stock settlements (in shares)     (24,229)      
Issuance of stock 375,722   $ 482 375,240    
Issuance of stock (in shares)     9,646,430      
Stock-based compensation, net 3,599     3,534 65  
Stock-based compensation, net (in shares)     (2,855)      
Ending balance, value at Sep. 30, 2019 3,332,780 $ 166,177 $ 4,987 5,544,170 (2,370,392) (12,162)
Preferred shares outstanding, ending balance at Sep. 30, 2019   6,900,000        
Common shares outstanding, ending balance at Sep. 30, 2019     99,730,073      
Beginning balance, value at Dec. 31, 2019 $ 3,413,249 $ 166,177 $ 5,124 5,686,247 (2,432,838) (11,461)
Preferred shares outstanding, beginning balance at Dec. 31, 2019 6,900,000 6,900,000        
Common shares outstanding, beginning balance at Dec. 31, 2019 102,476,152   102,476,152      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income $ (15,847)       (15,847)  
Dividends declared on preferred stock (2,588)       (2,588)  
Net income (loss) attributable to common stockholders/after preferred distributions (18,435)       (18,435)  
Other comprehensive income (loss) 702         702
Dividends declared on common stock (64,338)       (64,338)  
Tax withholdings related to net stock settlements (2,349)   $ (2)   (2,347)  
Tax withholdings related to net stock settlements (in shares)     (44,488)      
Issuance of stock 17,598   $ 18 17,580    
Issuance of stock (in shares)     362,481      
Stock-based compensation, net 2,981   $ 7 3,444 (470)  
Stock-based compensation, net (in shares)     148,017      
Ending balance, value at Mar. 31, 2020 3,349,408 $ 166,177 $ 5,147 5,707,271 (2,518,428) (10,759)
Preferred shares outstanding, ending balance at Mar. 31, 2020   6,900,000        
Common shares outstanding, ending balance at Mar. 31, 2020     102,942,162      
Beginning balance, value at Dec. 31, 2019 $ 3,413,249 $ 166,177 $ 5,124 5,686,247 (2,432,838) (11,461)
Preferred shares outstanding, beginning balance at Dec. 31, 2019 6,900,000 6,900,000        
Common shares outstanding, beginning balance at Dec. 31, 2019 102,476,152   102,476,152      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income $ (2,462)          
Net income (loss) attributable to common stockholders/after preferred distributions (10,225)          
Other comprehensive income (loss) $ 2,106          
Tax withholdings related to net stock settlements (in shares) (117,500)          
Ending balance, value at Sep. 30, 2020 $ 3,332,181 $ 166,177 $ 5,294 5,813,128 (2,643,063) (9,355)
Preferred shares outstanding, ending balance at Sep. 30, 2020 6,900,000 6,900,000        
Common shares outstanding, ending balance at Sep. 30, 2020 105,884,703   105,884,703      
Beginning balance, value at Mar. 31, 2020 $ 3,349,408 $ 166,177 $ 5,147 5,707,271 (2,518,428) (10,759)
Preferred shares outstanding, beginning balance at Mar. 31, 2020   6,900,000        
Common shares outstanding, beginning balance at Mar. 31, 2020     102,942,162      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income (413)       (413)  
Dividends declared on preferred stock (2,588)       (2,588)  
Net income (loss) attributable to common stockholders/after preferred distributions (3,001)       (3,001)  
Other comprehensive income (loss) 702         702
Dividends declared on common stock (64,402)       (64,402)  
Tax withholdings related to net stock settlements (2,031)   $ (4)   (2,027)  
Tax withholdings related to net stock settlements (in shares)     (73,055)      
Issuance of stock (185)     (185)    
Stock-based compensation, net 3,317   $ 9 3,300 8  
Stock-based compensation, net (in shares)     174,163      
Ending balance, value at Jun. 30, 2020 3,283,808 $ 166,177 $ 5,152 5,710,386 (2,587,850) (10,057)
Preferred shares outstanding, ending balance at Jun. 30, 2020   6,900,000        
Common shares outstanding, ending balance at Jun. 30, 2020     103,043,270      
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net (loss) income 13,798       13,798  
Dividends declared on preferred stock (2,587)       (2,587)  
Net income (loss) attributable to common stockholders/after preferred distributions 11,211       11,211  
Other comprehensive income (loss) 702         702
Dividends declared on common stock (66,171)       (66,171)  
Issuance of stock 99,918   $ 142 99,776    
Issuance of stock (in shares)     2,844,178      
Stock-based compensation, net 2,713     2,966 (253)  
Stock-based compensation, net (in shares)     (2,745)      
Ending balance, value at Sep. 30, 2020 $ 3,332,181 $ 166,177 $ 5,294 $ 5,813,128 $ (2,643,063) $ (9,355)
Preferred shares outstanding, ending balance at Sep. 30, 2020 6,900,000 6,900,000        
Common shares outstanding, ending balance at Sep. 30, 2020 105,884,703   105,884,703