v3.26.1
Shareholders' Equity - Narrative (Details) - USD ($)
$ in Thousands
 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Class of Stock [Line Items]    
Net proceeds from equity issuances $ 671,633 $ 379,490
Forward sales equity agreement, settlement in cash 890,125  
Shelf Registration Statement    
Class of Stock [Line Items]    
Debt and equity securities authorized for issuance 8,000,000  
Debt and equity securities authorized for issuance value remaining 5,200,000  
At-The-Market    
Class of Stock [Line Items]    
Value of shares authorized for issuance $ 1,700,000  
Shares issued (in shares) 5,106,782  
Net proceeds from equity issuances $ 671,600  
Equity available for issuance $ 827,100