Shareholders' Equity - Narrative (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Net proceeds available	$ 754,866,000
Net proceeds from equity issuances	220,000,000	$ 261,943,000
Shelf Registration Statement
Class of Stock [Line Items]
Debt and equity securities authorized for issuance	5,000,000,000
Debt and equity securities authorized for issuance value remaining	1,400,000,000
At-The-Market
Class of Stock [Line Items]
Equity authorized	$ 1,000,000,000
Forward sales equity agreement (in shares)	1,687,190
Net proceeds available	$ 199,800,000
Stock issued during period, new issues (in shares)	2,114,488
Net proceeds from equity issuances	$ 220,000,000
Equity available for issuance	$ 281,900,000