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Summary of significant accounting policies (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) segment property | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Accounting policies |  |  |
Number of reportable segments | segment | 1 |  |
Maximum expected period of sale of property (in years) | 1 year |  |
Cost method investment ownership percentage | 10.00% |  |
Percentage of total revenues | 97.20% | 98.00% | 98.60%
Contract with customer, asset, adjustment for allowance for credit loss | $ 1,000 |  |
Contract with customer, asset, allowance for credit loss | $ 21,400 |  |
Minimum percentage of taxable income to be distributed | 90.00% |  |
Percent of taxable income, generally distributed as dividend | 100.00% |  |
Income from rentals |  |  |
Operating leases | $ 2,802,567 | $ 2,534,862 | $ 2,081,362
Direct financing and sales-type leases | 2,608 | 3,094 | 3,489
Total revenues | 2,885,699 | 2,588,962 | 2,114,150
Revenues subject to the lease accounting standard | $ 2,805,175 | 2,537,956 | 2,084,851
Operating Lease Income Comprehensive Income Extensible List Not Disclosed Flag | true |  |
ATM Common Stock Offering Program, Established December 2021 |  |  |
Accounting policies |  |  |
Expected net proceeds from issuance of common stock | $ 0 |  |
Income from rentals |  |  |
Income from rentals |  |  |
Total revenues | 2,842,456 | 2,576,040 | 2,108,249
Income from rentals | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Income from rentals |  |  |
Revenues subject to the revenue recognition accounting standard | 37,281 | 38,084 | 23,398
Other income |  |  |
Income from rentals |  |  |
Total revenues | $ 43,243 | 12,922 | $ 5,901
Canada |  |  |
Accounting policies |  |  |
Number of real estate properties | property | 12 |  |
Accounting Standards Update 2014-09 - Revenue from Contract with Customers | Income from rentals |  |  |
Income from rentals |  |  |
Revenues subject to the revenue recognition accounting standard | $ 37,300 | $ 38,100 |
Maximum | Buildings and building improvements |  |  |
Accounting policies |  |  |
Estimated useful life | 40 years |  |
Maximum | Land improvements |  |  |
Accounting policies |  |  |
Estimated useful life | 20 years |  |

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