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Significant Accounting Policies and Responsibility for Financial Statements (Details) - USD ($)
1 Months Ended 3 Months Ended
Feb. 28, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Accounting Policies [Abstract]        
Payment defaults under agreements     $ 0  
Dividends declared per common share (dollars per share) $ 0.3475 $ 0.3275 $ 0.3475 $ 0.3275