XML 83 R54.htm IDEA: XBRL DOCUMENT v3.21.2
Balance Sheet Components - Property Plant and Equipment, Net (Additional Information) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Property Subject to or Available for Operating Lease [Line Items]          
Depreciation and amortization     $ 26,808 $ 25,852  
Operating leases, depreciation expense $ 5,900 $ 5,900 11,700 12,100  
PPA Entities          
Property Subject to or Available for Operating Lease [Line Items]          
Property, plant and equipment 368,000   368,000   $ 368,000
Accumulated depreciation 127,600   127,600   $ 115,900
Property, plant and equipment          
Property Subject to or Available for Operating Lease [Line Items]          
Depreciation and amortization $ 13,400 $ 12,800 $ 26,800 $ 25,900