Balance Sheet Components Other Property and Investments-Net and Other Non-Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Balance Sheet Components [Abstract]
Operating Lease, Right-of-Use Asset	$ 69,746	$ 0
Finance Lease, Right-of-Use Asset	50,980	0
Non-utility property	27,159	31,355
Equity investments	51,258	29,257
Investment in affiliated trust	11,547	11,547
Notes receivable	14,060	11,073
Deferred compensation assets	8,948	8,400
Other	23,394	23,065
Total	$ 257,092	$ 114,697