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Fair Value Measurements - Change in the Fair Value of the Warrant Liabilities (Details) - 890 5TH AVENUE PARTNERS, INC. - USD ($) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Warrant liabilities at the beginning balance | $ 344,867 | $ 226,850 |  |
Issuance of Public and Private Warrants |  |  | $ 11,407,475 |
Change in fair value of warrant liabilities | (13,758) | 118,017 | (63,958) |
Public warrants transfer to Level 1 |  |  | (11,116,667) |
Warrant liabilities at the ending balance | 331,109 | $ 344,867 | $ 226,850 | $ 331,109
Change in fair value of warrant liabilities | $ (109,592) |  |  | $ 806,967

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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 25 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875 + Details
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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