Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE (Narrative) (Details)

v3.20.2
EQUITY AND EARNINGS PER SHARE (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 31, 2020
Nov. 11, 2019
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Class of Stock [Line Items]              
Dividends paid $ 1.4            
Common stock equivalents              
Class of Stock [Line Items]              
Dilutive common stock equivalents (in shares)     488,981 2,840,284 725,345 2,538,663  
Series B Cumulative Redeemable Preferred Stock              
Class of Stock [Line Items]              
Dividends declared per share of preferred stock (in dollars per share)   $ 0.609375          
Preferred stock, dividend rate (as percent)   9.75%     9.75%   9.75%
Series C Cumulative Redeemable Preferred Stock              
Class of Stock [Line Items]              
Dividends declared per share of preferred stock (in dollars per share)   $ 0.503125          
Preferred stock, dividend rate (as percent)   8.05%     8.05%   8.05%
Series D Cumulative Redeemable Preferred Stock              
Class of Stock [Line Items]              
Dividends declared per share of preferred stock (in dollars per share)   $ 0.523438          
Preferred stock, dividend rate (as percent)   8.375%     8.375%   8.375%
Restricted Stock Units (RSUs)              
Class of Stock [Line Items]              
Granted (in shares)         145,366    
Stock-based compensation expense (amount less than for RSUs)     $ 0.2 $ 0.1 $ 0.5 $ 0.2  
Unrecognized stock-based compensation expense     $ 0.9   $ 0.9    
Unrecognized stock-based compensation expense, period for recognition         1 year 9 months 18 days    
Dilutive common stock equivalents (in shares)     0 0 0 0  
Nonemployee | Restricted Stock Units (RSUs)              
Class of Stock [Line Items]              
Vesting period         1 year    
Shares issued upon vesting         0    
Granted (in shares)         0    
Employee | Restricted Stock Units (RSUs)              
Class of Stock [Line Items]              
Granted (in shares)         0