XML 96 R65.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Shareholders' Equity (Narrative) (Details) - USD ($)
12 Months Ended
Jan. 16, 2020
Jan. 12, 2018
Dec. 15, 2017
Sep. 15, 2017
Aug. 24, 2017
Aug. 16, 2017
Aug. 01, 2016
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 18, 2018
Class Of Stock [Line Items]                      
Preferred stock, shares authorized               12,500,000      
Net proceeds from sale of preferred stock                   $ 120,432,000  
Common stock repurchase, authorized                     $ 30,000,000
Common stock repurchase, shares                 772,000    
Common stock repurchase, weighted average price per share                 $ 3.02    
Additional number of common stock shares repurchased               2,050,000     2,823,000
Additional common stock repurchased, weighted average price per share               $ 3.34     $ 3.25
Common stock, shares issued               89,020,000 90,436,000    
Stock price as percentage of market value               100.00%      
Remaining shares authorized under DRIP               2,828,000      
Accrued preferred stock dividends               $ 1,200,000 $ 1,200,000    
Subsequent Event [Member]                      
Class Of Stock [Line Items]                      
Dividends payable, date declared Jan. 16, 2020                    
Common stock, dividends declared $ 0.05                    
Dividends payable, date to be paid Feb. 20, 2020                    
Dividends payable, date of record Feb. 10, 2020                    
Forward Sales Agreement [Member]                      
Class Of Stock [Line Items]                      
Common stock, shares issued             5,750,000        
Settlement date of agreements             Aug. 01, 2017        
Public offering, estimated net proceeds             $ 43,200,000        
Series B [Member]                      
Class Of Stock [Line Items]                      
Dividend rate percentage               7.25% 7.25% 7.25%  
Redemption date               May 22, 2017      
Redemption price per share   $ 25.00   $ 25.00   $ 25.00   $ 25.00      
Preferred stock, shares authorized               1,450,000 1,450,000    
Preferred stock redeemed, shares   2,000,000   3,000,000   1,500,000          
Redemption price plus accrued and unpaid dividends amount   $ 50,000,000   $ 75,000,000   $ 37,500,000          
Series B [Member] | Subsequent Event [Member]                      
Class Of Stock [Line Items]                      
Preferred stock dividends declared $ 0.453125                    
Series C [Member]                      
Class Of Stock [Line Items]                      
Dividend rate percentage               6.50% 6.50% 6.50%  
Redemption price per share               $ 25.00      
Preferred stock, shares authorized               6,450,000 6,450,000    
Common stock sales, net of issuance expenses, shares     2,000,000   3,000,000            
Shares Issued, price per share     $ 25.00   $ 25.00            
Net proceeds from sale of preferred stock     $ 48,100,000   $ 72,300,000            
Series C [Member] | Subsequent Event [Member]                      
Class Of Stock [Line Items]                      
Preferred stock dividends declared $ 0.406250