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v3.23.2

Investments and fair value measurements - Summary of the Changes in the Fair Value of Level 3 Financial Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Strategic Investments |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Vesting and remeasurement of SARs | $ 0 | $ 0 | $ 0 | $ 0
Exercises of SARs | 0 |  | 0 |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 12,104 | 15,000 | 12,104 | 10,000
Unrealized loss on strategic investments | (1,793) |  | (1,793) |
Purchases of strategic investments |  |  |  | 5,000
Ending balance | 10,311 | 15,000 | 10,311 | 15,000
Stock Appreciation Rights |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 264 | 508 | 462 | 818
Vesting and remeasurement of SARs | 19 | (89) | (179) | (399)
Exercises of SARs | (253) |  | (253) |
Unrealized loss on strategic investments | 0 |  | 0 |
Ending balance | $ 30 | $ 419 | $ 30 | 419
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Purchases of strategic investments |  |  |  | $ 0

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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