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Investments in real estate - Acquired leases (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Acquired below-market leases |  |  |
Real Estate Properties [Line Items] |  |  |
Amortization of intangible assets | $ 96,900 | $ 78,000 | $ 57,700
Weighted average amortization period | 6 years 3 months 18 days |  |
Values of acquired leases |  |  |
Finite-Lived Intangible Assets, Gross | $ 696,875 | 730,441 |
Accumulated amortization | (374,835) | (312,785) |
Value of intangible assets, net | 322,040 | 417,656 |
Estimated annual amortization |  |  |
2024 | 86,595 |  |
2025 | 38,796 |  |
2026 | 30,526 |  |
2027 | 29,995 |  |
2028 | 18,000 |  |
Thereafter | 118,128 |  |
Acquired-in-Place Leases |  |  |
Real Estate Properties [Line Items] |  |  |
Amortization of intangible assets | $ 160,600 | 169,500 | $ 146,600
Weighted average amortization period | 8 years 1 month 6 days |  |
Values of acquired leases |  |  |
Finite-Lived Intangible Assets, Gross | $ 1,115,259 | 1,150,690 |
Accumulated amortization | (653,646) | (535,052) |
Value of intangible assets, net | 461,613 | $ 615,638 |
Estimated annual amortization |  |  |
2024 | 107,883 |  |
2025 | 75,610 |  |
2026 | 58,029 |  |
2027 | 48,279 |  |
2028 | 36,171 |  |
Thereafter | $ 135,641 |  |

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