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Business Combination - Additional Information (Detail) - Planet Labs Inc [Member] - USD ($)
12 Months Ended
Mar. 11, 2019
Jan. 31, 2021
Jan. 31, 2020
Business Acquisition [Line Items]      
Business combination, Consideration transferred $ 17,229,000    
Boundless Acquisition [Member]      
Business Acquisition [Line Items]      
Business combination, Consideration transferred 17,200    
Payments to acquire businesses, Net of cash acquired 2,500    
Business combination, Consideration transferred, Equity interests issued and issuable 2,500    
Business acquisition, Goodwill, Expected tax deductible amount 0    
Business combination, Acquisition related costs 1,100   $ 200
Business combination, Revenue of Acquiree included in operating results, Actual   $ 1,400 4,300
Business combination, Net income loss from operations of Acquiree included in operating results, Actual   $ 400 $ 300
Series D Convertible Preferred Stock [Member] | Boundless Acquisition [Member]      
Business Acquisition [Line Items]      
Payments to acquire businesses, Net of cash acquired 14,800    
Business combination, Consideration transferred, Equity interests issued and issuable $ 14,800    
Business acquisition, Share price $ 14.38