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FINANCIAL RISK MANAGEMENT - Narrative (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 USD ($) $ / liter $ / gal | Dec. 31, 2019 USD ($) | Dec. 31, 2022 $ / $ | Dec. 31, 2021 $ / $
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Gains (losses) on derivatives in other comprehensive income | $ 4,513 | $ 0 |  |
Borrowings | 390,670 | 284,049 |  |
Term loan |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Borrowings | 210,000 | 0 |  |
Credit Facility |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Borrowings | 700 | 600 |  |
Surety Bonds |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Borrowings | $ 117,500 | 84,400 |  |
Commodity price risk |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, percent | 10.00% |  |  |
Gains (losses) on derivatives in other comprehensive income | $ (1,200) | 1,200 |  |
Financial assets at fair value through profit or (loss) | (4,100) |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, Impact on OCI | $ 2,300 |  |  |
Commodity price risk | Silver |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, percent | 10.00% |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, impact on earnings (loss) | $ 3,000 |  |  |
Commodity price risk | Diesel hedge |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Fair value of hedges | $ 2,000 | 300 |  |
Commodity price risk | Marigold | Diesel hedge |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Price ($/gallon and $/litre) | $ / gal | 1.43 |  |  |
Fair value of hedges | $ 1,900 |  |  |
Commodity price risk | Seabee | Diesel hedge |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Price ($/gallon and $/litre) | $ / liter | 0.39 |  |  |
Fair value of hedges | $ 100 |  |  |
Currency risk |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Gains (losses) on derivatives in other comprehensive income | 500 | 1,000 |  |
Financial assets at fair value through profit or (loss) | $ (400) |  |  |
Currency risk | Minimum |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Price ($/gallon and $/litre) | $ / $ |  |  | 1.35 | 1.32
Currency risk | Maximum |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Price ($/gallon and $/litre) | $ / $ |  |  | 1.42 | 1.38
Currency risk | TRY |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, percent | 10.00% |  |  |
Currency risk | CAD |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, percent | 10.00% |  |  |
Currency risk | ARS |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, percent | 25.00% |  |  |
Currency risk | Diesel hedge |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Fair value of hedges | $ 1,200 | 400 |  |
Currency risk | Marigold | Diesel hedge |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Fair value of hedges | 800 |  |  |
Currency risk | Seabee | Diesel hedge |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Fair value of hedges | $ 500 |  |  |
Interest rate risk |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, percent | 1.00% |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, impact on earnings (loss) | $ 4,000 | $ 3,300 |  |
Weighted average interest rate earned on cash and cash equivalent | 0.16% | 1.80% |  |
Interest rate risk | London Interbank Offered Rate (LIBOR) |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, percent | 1.00% |  |  |
Sensitivity analysis for types of market risk, reasonably possible change in risk variable, impact on earnings (loss) | $ 400 |  |  |
Interest rate risk | London Interbank Offered Rate (LIBOR) | Minimum | Term loan |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Borrowings, adjustment to interest rate basis | 3.50% |  |  |
Interest rate risk | London Interbank Offered Rate (LIBOR) | Minimum | Credit Facility |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Borrowings, adjustment to interest rate basis | 2.25% |  |  |
Interest rate risk | London Interbank Offered Rate (LIBOR) | Maximum | Term loan |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Borrowings, adjustment to interest rate basis | 3.70% |  |  |
Interest rate risk | London Interbank Offered Rate (LIBOR) | Maximum | Credit Facility |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Borrowings, adjustment to interest rate basis | 3.75% |  |  |
Interest rate risk | Interest rate swap contract | London Interbank Offered Rate (LIBOR) |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Fair value of hedges | $ 1,900 |  |  |
Interest rate risk | Interest rate swap contract | London Interbank Offered Rate (LIBOR) | Term loan |  |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |  |
Notional amount, outstanding term loan balance as part of acquisition, percentage | 37.00% |  |  |

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