Balance Sheet Components - Other Property and Investments-Net and Other Non-current Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract]
Operating lease ROU assets		$ 70,133	$ 71,891
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Total	Total
Finance lease ROU assets		$ 43,697	$ 47,338
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Total	Total
Non-utility property		$ 20,033	$ 19,508
Equity investments		91,057	59,318
Investment in affiliated trust		11,547	11,547
Notes receivable		14,949	14,454
Deferred compensation assets		9,513	9,174
Assets held for sale	[1]		3,462
Other		19,614	26,947
Total		$ 280,543	$ 263,639

[1] The Company sold certain subsidiary assets associated with Steam Plant Square and Brew Pub during 2021.