Quarterly report pursuant to Section 13 or 15(d)

CUMULATIVE TERM PREFERRED STOCK (Details)

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CUMULATIVE TERM PREFERRED STOCK (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
May 07, 2021
Feb. 12, 2021
Jan. 31, 2021
Aug. 31, 2016
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Subsidiary, Sale of Stock [Line Items]              
Proceeds from issuance of preferred stock         $ 0 $ 60,375  
Additional shares of common stock issued (in shares) 850,000            
Offering costs         3,285 1,447  
Series A Preferred Stock              
Subsidiary, Sale of Stock [Line Items]              
Dividend rate       6.375%      
Preferred stock, par value (in dollars per share)       $ 0.001      
Preferred stock, shares issued (in shares)       1,150,000      
Redemption price (in dollars per share)   $ 25.00          
Redemptions of preferred stock   $ 28,800     $ 0 28,750  
Series D Preferred Stock              
Subsidiary, Sale of Stock [Line Items]              
Dividend rate     5.00%        
Preferred stock, par value (in dollars per share)     $ 0.001   $ 0.001   $ 0.001
Preferred stock, shares issued (in shares)     2,415,000   2,415,000   2,415,000
Redemption price (in dollars per share)         $ 25.00    
Offering costs     $ 2,100        
Preferred Stock | Series A Preferred Stock              
Subsidiary, Sale of Stock [Line Items]              
Average sales price (in dollars per share)       $ 25.00      
Proceeds from issuance of preferred stock       $ 28,800      
Proceeds from issuance of preferred and common equity       $ 27,600      
Unamortized issuance costs written off           $ 127  
Preferred Stock | Series D Preferred Stock              
Subsidiary, Sale of Stock [Line Items]              
Average sales price (in dollars per share)     $ 25.00        
Proceeds from issuance of preferred stock     $ 60,400   $ 61,600    
Proceeds from issuance of preferred and common equity     $ 58,300        
Preferred Stock | Series D Preferred Stock | Level 1              
Subsidiary, Sale of Stock [Line Items]              
Average sales price (in dollars per share)         $ 25.50