Balance Sheet Components - Other Property and Investments-Net and Other Non-current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Equity investments	$ 153,350	$ 147,809
Operating lease ROU assets	$ 67,585	$ 68,238
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Finance lease ROU assets	$ 36,414	$ 40,056
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Non-utility property	$ 33,813	$ 25,401
Notes receivable	15,287	17,954
Long-term prepaid license fees	19,448	17,936
Pension assets	32,997	13,382
Investment in affiliated trust	11,547	11,547
Deferred compensation assets	7,794	7,541
Other	15,750	15,221
Total	$ 393,985	$ 365,085