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Shareholders' Equity - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Jan. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jan. 28, 2022
Aug. 12, 2021
Shareholders' Equity [Line Items]            
Authorized and unissued common shares reserved for issuance (in shares)   300,000,000 300,000,000      
Common shares purchase price as percentage of fair market value   95.00%        
Maximum value of shares purchased as percentage of employee compensation   10.00%        
Common stock issued   $ 583 $ 577 $ 567    
Share Repurchase Plan            
Shareholders' Equity [Line Items]            
Number of shares repurchased (in shares)   0        
Share Repurchase Plan | Subsequent Event            
Shareholders' Equity [Line Items]            
Number of shares available for repurchase (up to) (in shares)         100,000,000  
Number of shares repurchased (in shares) 0          
Dividend Reinvestment and Stock Purchase Plan            
Shareholders' Equity [Line Items]            
Authorized and unissued common shares reserved for issuance (in shares)   3,300,000       3,300,000
Employee Stock Purchase Plan            
Shareholders' Equity [Line Items]            
Number of shares available for purchase (shares)   500,000        
Shares issued related to dividend reinvestment and stock purchase plan (in shares)   35,000 43,000      
Common stock issued   $ 583 $ 577