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Leases - Narrative (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2019 USD ($) ft² | Jun. 30, 2021 MW | Mar. 31, 2021 MW | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) ft² | Dec. 31, 2019 USD ($) | Aug. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Renewal option (up to) |  |  |  | 10 years |  |  |
Right-of-use assets obtained in exchange for operating lease obligations (investing) |  |  |  | $ 44,000 | $ 26,000 | $ 7,000 |
Operating lease right-of-use-assets |  |  |  | 122,416 | 153,069 |  |
Operating lease liabilities |  |  |  | $ 136,760 | $ 160,432 |  |
Lease payments basis reduction for impact of collateral |  |  |  | 0.25% |  |  |
Area of real estate property (in square feet) | ft² |  |  |  |  | 64,000 |  |
Lessor, operating sublease, renewal lease term |  |  |  |  | 2 years |  |
Lessor, operating sublease, estimated base rent revenue |  |  |  |  | $ 8,300 |  |
Operating lease renewal term (up to) |  |  |  |  |  |  | 5 years
Operating lease term |  |  |  |  |  |  | 5 years
Lease not yet commenced, annual rent expense |  |  |  |  |  |  | $ 6,200
Lease not yet commenced liability |  |  |  |  |  |  | $ 32,000
Puna Geothermal Venture Power Purchase Agreement |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Firm capacity volume | MW |  | 23.9 | 13.0 |  |  |  |
Operating lease right-of-use-assets |  |  |  | $ 21,000 |  |  |
Operating lease liabilities |  |  |  | $ 21,000 |  |  |
FHLB Des Moines | Maximum |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Long-term debt term |  |  |  | 30 years |  |  |
Honolulu |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Renewal option (up to) | 10 years |  |  |  |  |  |
Operating lease liabilities | $ 21,000 |  |  |  |  |  |
Area of real estate property (in square feet) | ft² | 195,000 |  |  |  |  |  |
Term of contract | 12 years |  |  |  |  |  |
Expected reimbursements for improvements |  |  |  | $ 5,700 | $ 2,600 |  |
Lessor, operating sublease, lease term |  |  |  | 6 years 6 months |  |  |
Honolulu | Office Space Lease, Phase 1, Commencement January 2020 |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Rent expense | $ 1,900 |  |  |  |  |  |
Expected reimbursements for improvements | 5,000 |  |  |  |  |  |
Honolulu | Office Space Lease, Phase 2, Commencement January 2021 |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |
Operating lease liabilities | 19,000 |  |  |  |  |  |
Rent expense | 1,700 |  |  |  |  |  |
Expected reimbursements for improvements | $ 4,600 |  |  |  |  |  |

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