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(Tables) | 12 Months Ended
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Dec. 31, 2020
Leases [Abstract] |
Schedule of Historical Cost and Accumulated Depreciation of Leased Property | The historical cost of, and accumulated depreciation on, leased property as of December 31, 2020 and 2019 was as follows (in millions):
| 2020 |  | 2019
Leased property - real estate | $ | 1,525.3 |  |  | $ | 1,511.3 |
Less: Accumulated depreciation | (152.2) |  |  | (125.0) |
Property under operating leases, net | $ | 1,373.1 |  |  | $ | 1,386.3 |
Schedule of Rental Income Under Non-cancelable Operating Leases | Total rental income (i.e., revenue) under these operating leases relating to lease payments and variable lease payments were as follows (in millions):
| 2020 |  | 2019
Lease payments | $ | 113.7 |  |  | $ | 111.2 |
Variable lease payments | 39.3 |  |  | 51.8 |
Total rental income | $ | 153.0 |  |  | $ | 163.0 |
Schedule of Future Minimum Rentals on Non-cancelable Operating Leases | Contractual future lease payments to be received on non-cancelable operating leases as of December 31, 2020 were as follows (in millions):
2021 | $ | 119.3 |
2022 | 109.2 |
2023 | 98.4 |
2024 | 85.4 |
2025 | 73.2 |
Thereafter | 502.3 |
Total future lease payments to be received | $ | 987.8 |

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- Definition Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919396-209981 + Details
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