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Derivative financial instruments (Details) - USD ($) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | May 07, 2020
Derivative financial instruments |  |  |  |
Derivative, Gain on Derivative, Net | $ 5,023 | $ 21,231 |  |
Interest rate swap |  |  |  |
Derivative financial instruments |  |  |  |
Derivative notional amount | 495,000 |  | $ 519,000 |
Fair value of derivative asset | 28,283 |  | $ 34,877 |
Derivative, Gain on Derivative, Net | 5,000 | 21,200 |  |
Gain on derivative financial instrument | $ 11,700 | $ 600 |  |
$675 million senior secured term loan facility ($675 Million Credit Facility) | Interest rate swap |  |  |  |
Derivative financial instruments |  |  |  |
Derivative, fixed interest rate |  |  |  | 0.41%

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