Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS - Equity Activity (Details)

v3.21.2
SUBSEQUENT EVENTS - Equity Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Nov. 09, 2021
Jan. 31, 2021
Aug. 31, 2016
Sep. 30, 2021
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Apr. 03, 2020
Subsequent Event [Line Items]                
Net Proceeds         $ 161,318 $ 55,231    
Common stock, shares authorized (in shares)       63,953,993 63,953,993   65,544,073  
Series C Preferred Stock                
Subsequent Event [Line Items]                
Preferred stock, shares authorized (in shares)       25,989,942 25,989,942   25,999,862  
Series A Preferred Stock                
Subsequent Event [Line Items]                
Preferred stock, shares authorized (in shares)       0 0   2,000,000  
Series B Preferred Stock                
Subsequent Event [Line Items]                
Preferred stock, shares authorized (in shares)       6,456,065 6,456,065   6,456,065  
Series D Preferred Stock                
Subsequent Event [Line Items]                
Preferred stock, shares authorized (in shares)       3,600,000 3,600,000   0  
Subsequent Event | Common Stock                
Subsequent Event [Line Items]                
Number of Shares Sold (in shares) 2,166,024              
Weighted-average offering price per share (in dollars per share) $ 23.07              
Gross Proceeds $ 49,970              
Net Proceeds $ 49,470              
Preferred Stock | Series C Preferred Stock                
Subsequent Event [Line Items]                
Preferred stock, shares issued, pursuant to DRIP (in shares)       2,642 4,643      
Preferred stock, shares authorized (in shares)               20,000,000
Preferred Stock | Series A Preferred Stock                
Subsequent Event [Line Items]                
Weighted-average offering price per share (in dollars per share)     $ 25.00          
Net Proceeds     $ 27,600          
Preferred Stock | Series D Preferred Stock                
Subsequent Event [Line Items]                
Weighted-average offering price per share (in dollars per share)   $ 25.00            
Net Proceeds   $ 58,300            
Preferred Stock | Subsequent Event | Series C Preferred Stock                
Subsequent Event [Line Items]                
Number of Shares Sold (in shares) 395,405              
Weighted-average offering price per share (in dollars per share) $ 24.95              
Gross Proceeds $ 9,866              
Net Proceeds $ 8,995              
Preferred stock, shares issued, pursuant to DRIP (in shares) 1,894