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Current and long-term debt - Senior notes due 2025 (Details) - USD ($) | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
May 31, 2020 | Dec. 31, 2023 | Dec. 31, 2021 | Dec. 31, 2022 | Jan. 31, 2021 | May 29, 2020
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Borrowings |  | $ 1,588,290,000 |  | $ 1,436,224,000 |  |
Gross carrying amount |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Drawdowns |  | 1,386,482,000 |  |  |  |
Borrowings |  | 1,617,439,000 |  | 1,948,592,000 |  |
Unsecured Senior Notes Due 2025 |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Aggregate principal amount notes issued | $ 28,100,000 |  |  |  |  | $ 28,100,000
Borrowings interest rate | 7.00% |  |  |  |  |
Drawdowns | $ 26,500,000 |  |  |  |  |
Minimum denominations | $ 25.00 |  |  |  |  |
Net borrowings limit | 70.00% |  |  |  |  |
Consolidated tangible net worth | $ 650,000,000 |  |  |  |  |
Unsecured Senior Notes Due 2025 | Gross carrying amount |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Drawdowns |  | 0 |  |  |  |
Borrowings |  | $ 70,496,000 |  | $ 70,451,000 |  |
Unsecured Senior Notes Due 2025 | Borrowings, Redemption, Period One |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Repurchased face amount percentage | 102.00% |  |  |  |  |
Unsecured Senior Notes Due 2025 | Borrowings, Redemption, Period Two |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Repurchased face amount percentage | 101.00% |  |  |  |  |
Unsecured Senior Notes Due 2025 | Borrowings Redemption, Period Three |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Repurchased face amount percentage | 100.00% |  |  |  |  |
Unsecured Senior Notes Due 2025 | B. Riley Securities Inc. |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Authorized amount of additional principal |  |  |  |  | $ 75,000,000 |
Unsecured Senior Notes Due 2025 | B. Riley Securities Inc. | Sales of additional notes |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Aggregate principal amount notes issued |  |  | $ 42,100,000 |  |  |
Drawdowns |  |  | $ 41,200,000 |  |  |
Unsecured Senior Notes Due 2025 | Exercise of Underwriters Options Senior Notes |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |
Drawdowns | $ 3,100,000 |  |  |  |  |

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