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Leases - Future minimum payments (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Operating lease liabilities under Topic 842 |  |
Operating leases - 2020 | $ 29,872 |
Operating leases - 2021 | 27,445 |
Operating leases - 2022 | 23,540 |
Operating leases - 2023 | 21,257 |
Operating leases - 2024 | 20,176 |
Operating leases - later years | 70,842 |
Operating leases - Total | 193,132 |
Less: Imputed interest | (27,993) |
Operating lease liabilities | 165,139 | $ 0
Finance lease liabilities under Topic 842 |  |
Finance leases - Remaining 2019 | 19,810 |
Finance leases - 2020 | 3,068,000 |
Finance leases - 2021 | 3,159 |
Finance leases - 2022 | 3,252 |
Finance leases - 2023 | 3,349 |
Finance leases - 2024 | 3,448 |
Finance leases - later years | 8,220 |
Finance leases - Total | 24,496 |
Less: imputed interest | (4,686) |
Finance lease liabilities | $ 19,810 | $ 0

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