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Balance Sheet Components - Other Property and Investments-Net and Other Non-current Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Balance Sheet Related Disclosures [Abstract] |  |
Equity investments | $ 150,681 | $ 147,809
Operating lease ROU assets | $ 69,098 | $ 68,238
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Total | Total
Finance lease ROU assets | $ 39,145 | $ 40,056
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Total | Total
Non-utility property | $ 25,535 | $ 25,401
Notes receivable | 18,272 | 17,954
Long-term prepaid license fees | 17,696 | 17,936
Pension assets | 16,007 | 13,382
Investment in affiliated trust | 11,547 | 11,547
Deferred compensation assets | 7,435 | 7,541
Held for sale | 3,259 |
Other | 15,719 | 15,221
Total | $ 374,394 | $ 365,085

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