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Fair Value of Financial Assets and Liabilities - Schedule of Quantitative Information Associated with Fair Value Measurements (Detail) - Planet Labs Inc [Member] $ in Thousands | Oct. 31, 2021 USD ($) yr | Jan. 31, 2021 USD ($) yr | Jan. 31, 2020 USD ($) yr
--- | --- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Preferred Stock Warrant Liability Current | $ | $ 14,047 | $ 11,359 | $ 3,849
Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Convertible Debt, Fair Value Disclosures | $ |  | $ 101,212 | $ 10,804
Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  |  | 2.0
Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Option Volatility [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 35.00 |
Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 16.00 | 27.6
Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 0.06 | 1.6
Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Preferred Stock Warrant Liability Current | $ |  | $ 11,359 | $ 3,849
Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  |  | 2.0
Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Option Volatility [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 60.00 | 60.0
Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  |  | 25.0
Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  |  | 1.6
Black Scholes Method [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Preferred Stock Warrant Liability Current | $ | $ 14,047 |  |
Black Scholes Method [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input | 8.4 |  |
Black Scholes Method [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Option Volatility [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input | 60 |  |
Black Scholes Method [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input | 0 |  |
Black Scholes Method [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input | 1.49 |  |
Valuation, Market Approach [Member] | Fair Value, Inputs, Level 3 [Member] | Probabilityof Conversion uponBusiness Combination [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Convertible Debt, Fair Value Disclosures | $ | $ 109,953 |  |
Debt Instrument, Measurement Input | 100 |  |
Valuation, Market Approach [Member] | Fair Value, Inputs, Level 3 [Member] | Discount For Lack Of Marketability [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input | 5 |  |
Maximum [Member] | Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 5 |
Maximum [Member] | Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 5 |
Maximum [Member] | Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 1.75 |
Maximum [Member] | Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 17 |
Minimum [Member] | Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 0.2 |
Minimum [Member] | Valuation Technique Probability Weighted [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 0.2 |
Minimum [Member] | Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Expected Term [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 0.5 |
Minimum [Member] | Valuation Technique, Option Pricing Model [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate [Member] |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Debt Instrument, Measurement Input |  | 10 |

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