SHAREHOLDERS' EQUITY, Common Stock Dividends Declared and Paid (Details) - $ / shares	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Equity [Abstract]
Dividends per common share - declared (in dollars per share)	$ 0.42	$ 0.34	$ 0.84	$ 0.68
Dividends per common share - paid (in dollars per share)	$ 0.42	$ 0.34	$ 0.76	$ 0.60
Dividend payout ratio	21.80%	22.40%	19.90%	18.80%