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Business Combination - Additional Information (Details) $ / shares in Units, shares in Thousands, d in Thousands | 4 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) d $ / shares shares | Dec. 15, 2021 shares | Dec. 31, 2020 shares | Dec. 31, 2019 shares
Business Acquisition [Line Items] |  |  |  |  |
Exchangeable shares and common stock | 9,295,097 | 9,295,097 |  |  |
Common stock, shares issued | 21,579 | 21,579 |  | 5,241 |
Trading days | d |  | 20 |  |  |
Consecutive trading days | d |  | 30 |  |  |
Consecutive trading days per share | $ / shares | $ 8.57 | $ 8.57 |  |  |
Consideration effectively transferred | $ |  | $ 37,600,000 |  |  |
Revenue from acquisition | $ | $ 263,000 |  |  |  |
Earning from acquisition | $ | $ 74,000 |  |  |  |
Peraso Tech |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Common stock, shares issued |  |  | 3,055,584 |  |
Common Stock |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Common stock, shares issued | 21,579 | 21,579 |  | 5,241 | 164
Common Stock | Peraso Tech |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Conversion ratio of common stock |  | 0.045239122387267 |  |  |
Equity Method Investment, Ownership Percentage | 61.00% | 61.00% |  |  |
Peraso Shares [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Exchangeable shares and common stock | 1,312,878 | 1,312,878 |  |  |
Common stock, shares issued | 3,558,151 | 3,558,151 |  |  |
Escrow Shares |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Exchangeable shares and common stock | 502,567 | 502,567 |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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