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Loans Payable - MINOSA 1 - Additional Information (Detail)
12 Months Ended
Dec. 31, 2022
USD ($)
Tranches
Dec. 31, 2017
Mar. 11, 2015
USD ($)
MINOSA 2 [Member]      
Debt Instrument [Line Items]      
Debt instrument, threshold payment term 60 days 60 days  
Stock Purchase Agreement [Member] | MINOSA 1 [Member] | Oceanica Call Option [Member] | Oceanica Resources S. de. R.L [Member]      
Debt Instrument [Line Items]      
Share purchase agreement expiration date Mar. 30, 2016    
Stock granted during period, value $ 40,000,000.0    
Stock granted during period, percentage 54.00%    
Call option expiration date Mar. 11, 2016    
Stock Purchase Agreement [Member] | MINOSA 1 [Member] | Promissory Note [Member]      
Debt Instrument [Line Items]      
Interest rate, stated percentage 8.00%    
Promissory note outstanding amount $ 14,750,000    
Debt instrument maturity date Mar. 18, 2017    
Debt instrument face amount $ 14,750,000    
Number of advances | Tranches 5    
Stock Purchase Agreement [Member] | MINOSA 2 [Member] | Promissory Note [Member]      
Debt Instrument [Line Items]      
Debt instrument face amount     $ 14,750,000