Balance Sheet Components - Other Property and Investments-Net and Other Non-current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Equity investments	$ 113,390	$ 91,057
Operating lease ROU assets	$ 68,707	$ 70,133
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Finance lease ROU assets	$ 40,966	$ 43,697
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Non-utility property	$ 25,425	$ 20,033
Notes receivable	17,254	14,949
Long-term prepaid license fees	15,710	8,465
Investment in affiliated trust	11,547	11,547
Derivative assets net of collateral	12,741	2,659
Deferred compensation assets	7,609	9,513
Other	11,038	8,490
Total	$ 324,387	$ 280,543