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Private Placement (Details) - SPRING VALLEY ACQUISITION CORP - USD ($) |  |  | 4 Months Ended |  |
--- | --- | --- | --- | --- | ---
Nov. 28, 2020 | Nov. 27, 2020 | Dec. 31, 2020 | Mar. 31, 2022 | Dec. 31, 2021
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Warrant, proceeds |  |  | $ 8,900,000 |  |
Shares per warrant |  | 1 |  |  |
Exercise price of warrant |  | $ 11.50 |  | $ 1.00 |
Over-allotment option |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Exercise price of warrant |  |  |  |  | $ 11.50
Private Placement Warrants |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |
Securities called by warrant | 8,900,000 | 8,900,000 |  |  | 8,900,000
Warrant, proceeds | $ 8,900,000 | $ 8,900,000 |  |  |
Shares per warrant |  |  |  | 1 | 1
Exercise price of warrant |  | $ 1.00 |  |  | $ 1.00

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. + References No definition available. + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
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