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 9 Months Ended
Jan. 31, 2020
Nov. 11, 2019
Sep. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Class of Stock [Line Items]              
Dividends paid $ 1.4            
Common stock equivalents              
Class of Stock [Line Items]              
Dilutive common stock equivalents (in shares)     450,498   1,915,008 632,722 2,328,494
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)           160,954  
Stock-based compensation expense (amount less than for RSUs)     $ 0.2   $ 0.3 $ 0.6 $ 0.5
Unrecognized stock-based compensation expense     $ 0.6     $ 0.6  
Unrecognized stock-based compensation expense, period for recognition           1 year 7 months 6 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           37,944  
Granted (in shares)           0  
Employee | Restricted Stock Units (RSUs)              
Class of Stock [Line Items]              
Granted (in shares)           0