Condensed Consolidated Unaudited Statements of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Condensed Consolidated Unaudited Statements of Shareholders' Equity
Dividends on common stock	$ 0.18	$ 0.18	$ 5.36	$ 5.36