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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED)  (Parenthetical) - $ / shares
3 Months Ended 6 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Statement of Stockholders' Equity [Abstract]        
Dividends paid on common stock (in dollars per share) $ 0.26 $ 0.25 $ 0.51 $ 0.49
Dividends paid on preferred stock (in dollars per share) $ 12.1875 $ 12.1875 $ 24.3750 $ 24.3750