Balance Sheet Components - Other Property and Investments-Net and Other Non-current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Operating lease ROU assets	$ 69,183	$ 70,133
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Equity investments	$ 111,957	$ 91,057
Finance lease ROU assets	$ 41,876	$ 43,697
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Non-utility property	$ 25,459	$ 20,033
Notes receivable	17,049	14,949
Long-term prepaid license fees	15,746	8,465
Investment in affiliated trust	11,547	11,547
Derivative assets net of collateral	11,167	2,659
Deferred compensation assets	7,994	9,513
Other	9,788	8,490
Total	$ 321,766	$ 280,543