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Derivative Financial Instruments - Additional Information (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2021
Mar. 31, 2022
Derivative [Line Items]    
Derivative notional amount $ 103,200,000  
Scenario Forecast [Member] | Mizuho Capital Markets [Member]    
Derivative [Line Items]    
Minimum increments of notional amount between swaps   $ 10,000,000.0
Percentage of net cash proceeds of reallocated notional amount   65.00%
Total Return Swap One [Member] | Mizuho Capital Markets [Member]    
Derivative [Line Items]    
Derivative notional amount $ 39,700,000  
Required cash collateral percentage 35.00%  
Amount of obligation to return cash collateral under swap arrangement $ 14,000,000.0  
Total Return Swap Two [Member] | Mizuho Capital Markets [Member]    
Derivative [Line Items]    
Derivative notional amount $ 63,500,000  
Required cash collateral percentage 100.00%  
Amount of obligation to return cash collateral under swap arrangement $ 63,500,000