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 (loss) income 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 89,315          
Net (loss) income attributable to common stockholders/after preferred distributions 84,139          
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      
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 (loss) income 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      
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 (loss) income 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 $ (16,260)          
Net (loss) income attributable to common stockholders/after preferred distributions $ (21,436)          
Tax withholdings related to net stock settlements (in shares) (117,500)          
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 6,900,000        
Common shares outstanding, ending balance at Jun. 30, 2020 103,043,270   103,043,270      
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 (loss) income 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 6,900,000        
Common shares outstanding, ending balance at Jun. 30, 2020 103,043,270   103,043,270