REGISTRATION STATEMENT AND COMMON EQUITY OFFERINGS (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Aug. 31, 2024 |
|
| Government Assistance [Line Items] | |||
| Sale of stock, aggregate value of securities authorized | $ 700,000,000.0 | ||
| Sale of stock, remaining capacity of aggregate value of securities authorized | $ 519,300,000 | ||
| Common Stock At-the-Market Offerings | |||
| Government Assistance [Line Items] | |||
| Sale of stock, aggregate offering price authorized | $ 150,000,000 | ||
| Sale of stock, number of shares issued in transaction (in shares) | 362,482 | 476,138 | |
| Sale of stock, price (in USD per share) | $ 26.44 | $ 23.10 | |
| Sale of stock, gross proceeds from transaction | $ 9,600,000 | $ 11,000,000.0 | |
| Sale of stock, consideration received on transaction | 9,400,000 | $ 10,800,000 | |
| Sale of stock, remaining capacity of authorized offering price | $ 129,400,000 | ||