Quarterly report pursuant to Section 13 or 15(d)

Capital Stock - Series A Preferred Stock (Details)

v3.21.2
Capital Stock - Series A Preferred Stock (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Dec. 15, 2020
USD ($)
D
M
$ / shares
shares
Sep. 30, 2021
USD ($)
$ / shares
Sep. 30, 2020
USD ($)
Dec. 31, 2020
$ / shares
Dec. 15, 2025
$ / shares
Dec. 15, 2024
$ / shares
Dec. 15, 2023
$ / shares
Dec. 15, 2022
$ / shares
Dec. 15, 2021
$ / shares
Sale of stock                  
Gross proceeds from issuance of preferred stock | $   $ 40,000              
Stock issuance costs | $   $ 3,248 $ 231            
Preferred stock, par value (in dollars per share)   $ 0.05   $ 0.05          
8.625% Series A Cumulative, Perpetual Preferred Stock                  
Sale of stock                  
Shares issued (in shares) | shares 984,000                
Preferred stock, dividend rate (as a percent) 8.625% 8.625%   8.625%          
Purchase price (in dollars per share) $ 25.00                
Gross proceeds from issuance of preferred stock | $ $ 24,600                
Stock issuance costs | $ 2,000                
Net proceeds from issuance of stock | $ $ 22,600                
Liquidation preference (in dollars per share) $ 25.00                
Number of days in year over which dividend will be prorated and computed | D 360                
Number of months in year over which dividend will be prorated and compute | M 12                
Number of days in month over which dividend will be prorated and computed | D 30                
Preferred stock, par value (in dollars per share) $ 0.05                
Redemption price (in dollars per share) 25.00                
Redemption price at which company has option to redeem outstanding shares upon the occurrence of a delisting event or change of control event (in dollars per share) $ 25.00                
Share cap (in shares) | shares 1.46071                
Trading days | D 10                
8.625% Series A Cumulative, Perpetual Preferred Stock | Directors [Member]                  
Sale of stock                  
Shares issued (in shares) | shares 200,000                
Purchase price (in dollars per share) $ 25.00                
Gross proceeds from issuance of preferred stock | $ $ 5,000                
8.625% Series A Cumulative, Perpetual Preferred Stock | Chief Executive Officer                  
Sale of stock                  
Shares issued (in shares) | shares 8,000                
Purchase price (in dollars per share) $ 25.00                
Gross proceeds from issuance of preferred stock | $ $ 200                
Forecast [Member] | 8.625% Series A Cumulative, Perpetual Preferred Stock                  
Sale of stock                  
Redemption price (in dollars per share)         $ 25.00 $ 25.25 $ 25.50 $ 25.75 $ 26.00