Condensed Consolidated Unaudited Statements Of Shareholders Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Condensed Consolidated Unaudited Statements Of Shareholders’ Equity
Dividends on common stock	$ 0.18	$ 0.18	$ 0.64	$ 0.64