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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT - Basis of Presentation Narrative (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Jun. 05, 2024 | Nov. 06, 2023 | Jan. 13, 2023 | Apr. 22, 2022
Note payable to banks |  |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  | $ 165,000 |  |
Exercise of stock options and other issuance of Common Shares |  | 25,196 | 18,371 | 25,956 |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs |  | $ 88,661 |  |  |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs |  | $ 88,661 |  |  |  |  |  |
GSWC |  |  |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |  |  |
Exercise of stock options and other issuance of Common Shares |  | 2.7586 | 1 | 0 |  |  |  |
Issuance of Common Shares under stock-based compensation plans ( in shares) |  | $ 40,000 | $ 10,000 |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  | $ 130,000 |
Issuance of Common Shares from an at-the-market program, net of issuance costs |  | 40,000 | 10,000 |  |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs |  | $ 40,000 | $ 10,000 |  |  |  |  |
BVES |  |  |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |  |  |
Exercise of stock options and other issuance of Common Shares | 11 |  |  |  |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs | $ 22,000 |  |  |  |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs | $ 22,000 |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |  |  |
Exercise of stock options and other issuance of Common Shares |  | 1,145,000 |  |  |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs |  | $ 88,661 |  |  |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs |  | $ 88,661 |  |  |  |  |  |
Common Stock | GSWC |  |  |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |  |  |
Exercise of stock options and other issuance of Common Shares |  | 2.7586 | 1.0000 |  |  |  |  |
Issuance of Common Shares under stock-based compensation plans ( in shares) |  | $ 40,000 |  |  |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs |  |  | $ 10,000 |  |  |  |  |
Issuance of Common Shares from an at-the-market program, net of issuance costs |  |  | $ 10,000 |  |  |  |  |
Unsecured Private Placement Notes | GSWC |  |  |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 65,000 |  | $ 130,000 |
Maximum | Revolving Credit Facility |  |  |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  |  |  | $ 280,000

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