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v3.23.2

Deferred Consideration - Gold Payments - Additional Information (Detail) $ / shares in Units, $ in Thousands | May 10, 2023 USD ($) $ / shares shares | Jun. 30, 2023 USD ($) oz $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Deferred consideration |  | $ 0 | $ 200,290
Preferred Stock, Par or Stated Value Per Share | $ / shares |  | $ 0.01 | $ 0.01
SPA Agreement [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Consideration | $ 136,903 |  |
Series C Redeemable Convertible Preferred Stock [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Preferred Stock, Shares Issued | shares | 13,087 | 13,087.000 | 13,087.000
Preferred Stock, Par or Stated Value Per Share | $ / shares | $ 0.01 | $ 0.01 | $ 0.01
Conversion of Stock, Shares Converted | shares | 13,087,000 |  |
Series C Redeemable Convertible Preferred Stock [Member] | Gold Bullion Holdings [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash | $ 4,371 |  |
Series C Redeemable Convertible Preferred Stock [Member] | Rodber Investments Limited [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash | $ 45,634 |  |
Series C Redeemable Convertible Preferred Stock [Member] | SPA Agreement [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Preferred Stock, Shares Issued | shares |  | 13,087,000 |
April 1, 2018 through March 31, 2058 [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Fixed payment ounces of gold | oz |  | 9,500 |
April 1, 2058 and Thereafter [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Fixed payment ounces of gold | oz |  | 6,333 |

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