Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended	6 Months Ended
Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2022	Mar. 31, 2021
Dividends declared per share (in dollars per share)	$ 0.195	$ 0.195	$ 0.185	$ 0.185	$ 0.390	$ 0.370
Common stock issued (in shares)	1,400,889	13,914	54,613	11,979	64,803
Dividends declared per share (in dollars per share)	$ 0.195	$ 0.195	$ 0.185	$ 0.185	$ 0.390	$ 0.370

Number of new stock issued during the period.

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