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Dividends and Share Repurchases (Details) - $ / shares						3 Months Ended		9 Months Ended
	Oct. 15, 2022	Jul. 15, 2022	Jun. 03, 2022	Apr. 15, 2022	Jan. 15, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Subsequent Event [Line Items]
Cash dividends per share (in dollars per share)			$ 0.24			$ 0.24	$ 0.23	$ 0.71	$ 0.68
Stock repurchased (in shares)						2,446
Average cost per share (in dollars per share)						$ 31.36
Remaining shares authorized to be repurchased (in shares)						3,725,874		3,725,874
Preferred stock dividends declared (in dollars per share)				$ 12.1875	$ 12.1875
Depository dividends declared (in dollars per share)				$ 0.30468750	$ 0.30468750
Forecast
Subsequent Event [Line Items]
Preferred stock dividends declared (in dollars per share)	$ 12.1875	$ 12.1875
Depository dividends declared (in dollars per share)	$ 0.30468750	$ 0.30468750

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

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-Publisher FASB
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Aggregate dividends declared during the period for each share of preferred stock outstanding.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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