| Submission | Oct. 11, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0001308648 |
| Registrant Name | FIRST MAJESTIC SILVER CORP |
| Form Type | F-4 |
| Submission Type | F-4 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Oct. 11, 2024 USD ($) shares |
| Offering: | |
| Fee Previously Paid | false |
| Other Rule | true |
| Security Type | Equity |
| Security Class Title | Common Shares,withoutpar value |
| Amount Registered | shares | 189,431,450 |
| Maximum Aggregate Offering Price | $ 1,158,131,882.37 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 177,309.99 |
| Offering Note | (1) Represents the estimated maximum number of common shares, without par value (2) Estimated solely for the purpose of calculating the registration fee required by Section 6(b) of the Securities Act and calculated in accordance with Rule 457(c) and Rule 457(f)(1) promulgated thereunder. The maximum aggregate offering price is (x) the average of the high and low prices of Gatos common stock as reported on the New York Stock Exchange on October 9, 2024 ($15.59 per share), multiplied by (y) the estimated maximum number of shares of Gatos common stock, including shares that are, or are expected to become, issued or issuable upon the exercise or settlement of stock-based awards of Gatos in the Merger (74,286,843). |
| Fees Summary | Oct. 11, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 1,158,131,882.37 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 177,309.99 |
| Total Offset Amount | 0 |
| Net Fee | $ 177,309.99 |
