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Geographic information (Lease revenues by individual countries) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Total lease revenue | $ 4,412,003 | $ 4,321,006 | $ 4,682,266
Geographic concentration risk | Total lease revenue |  |  |
Segment Reporting Information [Line Items] |  |  |
Percentage of lease revenue | 100.00% | 100.00% | 100.00%
China |  |  |
Segment Reporting Information [Line Items] |  |  |
Total lease revenue | $ 782,297 | $ 835,317 | $ 874,145
China | Geographic concentration risk | Total lease revenue |  |  |
Segment Reporting Information [Line Items] |  |  |
Percentage of lease revenue | 17.70% | 19.30% | 18.70%
United States |  |  |
Segment Reporting Information [Line Items] |  |  |
Total lease revenue | $ 579,270 | $ 502,976 | $ 511,676
United States | Geographic concentration risk | Total lease revenue |  |  |
Segment Reporting Information [Line Items] |  |  |
Percentage of lease revenue | 13.10% | 11.60% | 10.90%
Other countries |  |  |
Segment Reporting Information [Line Items] |  |  |
Total lease revenue | $ 3,050,436 | $ 2,982,713 | $ 3,296,445
Other countries | Geographic concentration risk | Total lease revenue |  |  |
Segment Reporting Information [Line Items] |  |  |
Percentage of lease revenue | 69.20% | 69.10% | 70.40%

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- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123420820&loc=SL77919311-209978 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306 + Details
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