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Shareholders' Equity - Narrative (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Dec. 31, 2020
USD ($)
vote
$ / shares
shares
Dec. 10, 2020
USD ($)
Sep. 30, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
Stockholders Equity Note [Line Items]        
Number of voting rights | vote 1      
Preferred stock (in shares) | shares 10,000,000   10,000,000  
Preferred stock, par value (in dollars per share) | $ / shares $ 0.0001   $ 0.0001  
Preferred stock (in shares) | shares 700,000   700,000  
Preferred stock, liquidation preference (in dollars per share) | $ / shares $ 100   $ 100  
Dividends payable | $ $ 1,313   $ 0 $ 1,323
Repurchase of common stock authorized by Board of Directors | $   $ 35,000    
Series A Preferred Stock        
Stockholders Equity Note [Line Items]        
Preferred stock (in shares) | shares 10,000,000      
Preferred stock, par value (in dollars per share) | $ / shares $ 0.0001      
Preferred stock (in shares) | shares 700,000      
Preferred stock, liquidation preference (in dollars per share) | $ / shares $ 100      
Preferred stock, dividend rate, percentage 7.50%      
Additional percentage to cash dividend rate 2.00%