Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE (Narrative) (Details)

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EQUITY AND EARNINGS PER SHARE (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Mar. 02, 2022
Jan. 31, 2022
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Jul. 12, 2021
Class of Stock            
Dividends paid   $ 1.4        
Preferred dividends in arrears     $ 5.6      
Symphony Ventures            
Class of Stock            
Total commitment           $ 10.0
SLP            
Class of Stock            
Majority ownership percentage (as percent)           90.00%
SLP | Symphony Ventures            
Class of Stock            
Minority interest percentage (as percent)           10.00%
Series B Cumulative Redeemable Preferred Stock            
Class of Stock            
Dividends declared per share of preferred stock (in usd 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            
Dividends declared per share of preferred stock (in usd 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            
Dividends declared per share of preferred stock (in usd per share) $ 0.523438          
Preferred stock, dividend rate (as percent) 8.375%   8.375%   8.375%  
Employee            
Class of Stock            
Share-based Payment Arrangement, Expense     $ 0.6      
Restricted Stock Units (RSUs)            
Class of Stock            
Options (in shares)     0 0    
Share-based Payment Arrangement, Expense     $ (0.1) $ (0.1)    
Unrecognized stock-based compensation expense     $ 0.2      
Unrecognized stock-based compensation expense, period for recognition     3 months 18 days      
Granted (in shares)     0      
Shares issued upon vesting (in shares)     1,431      
Restricted Stock Units (RSUs) | Scenario, Adjustment            
Class of Stock            
Share-based Payment Arrangement, Expense     $ 0.3      
Restricted Stock Units (RSUs) | Employee            
Class of Stock            
Shares issued upon vesting (in shares)     1,431      
Non option granted (in shares)     0      
Restricted Stock Units (RSUs) | Nonemployee            
Class of Stock            
Vesting period     1 year      
Shares issued upon vesting (in shares)     87,757      
Stock options            
Class of Stock            
Options (in shares)     0 0    
Share-based Payment Arrangement, Expense     $ (0.1) $ (0.2)    
Unrecognized stock-based compensation expense     $ 0.3      
Unrecognized stock-based compensation expense, period for recognition     10 months 24 days      
Common stock equivalents | Restricted Stock Units (RSUs)            
Class of Stock            
Options (in shares)     50,724 881,911