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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 |
--- | --- | --- | ---
Jan. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Apr. 22, 2022
Note payable to banks |  |  |  |  |
Exercise of stock options and other issuance of Common Shares |  | $ 0 | $ 0 | $ 30 |
GSWC |  |  |  |  |
Note payable to banks |  |  |  |  |
Exercise of stock options and other issuance of Common Shares |  |  |  | $ 60,000 |
Subsequent Event | GSWC |  |  |  |  |
Note payable to banks |  |  |  |  |
Exercise of stock options and other issuance of Common Shares | $ 10,000 |  |  |  |
Common Stock |  |  |  |  |
Note payable to banks |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 26,000 | 47,000 | 42,000 |
Exercise of stock options and other issuance of Common Shares |  | $ 0 | $ 0 | $ 30 |
Common Stock | GSWC |  |  |  |  |
Note payable to banks |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 0 | 0 | 5 |
Exercise of stock options and other issuance of Common Shares |  |  |  | $ 60,000 |
Common Stock | Subsequent Event | GSWC |  |  |  |  |
Note payable to banks |  |  |  |  |
Stock Issued During Period, Shares, New Issues | 1 |  |  |  |
Parent |  |  |  |  |
Note payable to banks |  |  |  |  |
Notes receivable, related parties |  | $ 0 | $ 26,000 | $ 6,000 |
Notes payable, related parties |  | 0 | $ 0 |  |
Line of credit facility, current borrowing capacity |  | $ 30,000 |  |  |
Maximum | Revolving Credit Facility |  |  |  |  |
Note payable to banks |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  | $ 280,000

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