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Commitments and Contingencies (Details) - SPRING VALLEY ACQUISITION CORP - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 27, 2020 | Mar. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Commitments And Contingencies |  |  |  |
Deferred fee per unit |  | $ 0.35 | $ 0.35 |
Deferred underwriting fee payable |  | $ 8,050,000 | $ 8,050,000 | $ 8,050,000
Aggregate deferred underwriting fee payable |  |  | 750,000 |
Costs reimbursed by underwriters |  | 750,000 |  |
Registration arrangement consideration |  | 8,050,000 |  |
Contingent Fees |  | $ 0 | $ 4,000,000.0 | $ 0
Initial Public Offering |  |  |  |
Commitments And Contingencies |  |  |  |
Aggregate amount of proceeds | $ 230,000,000 |  |  |
Share price per share | $ 10.00 |  |  |
Number of units issued | 23,000,000 |  |  |
Anchor investors |  |  |  |
Commitments And Contingencies |  |  |  |
Share price per share |  | $ 495 | $ 495 |
Number of units issued |  | 1,980,000 |  |
Indirect beneficial interest, shares |  | 142,187 | 142,187 |
Anchor investors | Initial Public Offering |  |  |  |
Commitments And Contingencies |  |  |  |
Number of units issued |  |  | 1,980,000 |

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