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Fair Value Measurements - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | $ 128.3 | $ 70.0
Equity securities | 2.2 |
Total debt securities | $ 51.1 |
Senior Notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt stated interest rate (as a percent) | 4.625% |
Senior Notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt stated interest rate (as a percent) | 4.375% |
Senior Notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt stated interest rate (as a percent) | 3.875% |
PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | $ 100.0 |
U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 20.2 |
Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 20.9 |
Restricted cash - collections |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 97.6 | 50.6
Restricted cash - reserve |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 30.7 | 19.4
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 128.3 | 70.0
Level 1 | Restricted cash - collections |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 97.6 | 50.6
Level 1 | Restricted cash - reserve |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 30.7 | 19.4
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Level 2 | Restricted cash - collections |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Level 2 | Restricted cash - reserve |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Level 3 | Restricted cash - collections |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Level 3 | Restricted cash - reserve |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Marketable securities | 0.0 | 0.0
Carrying Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 2.2 | 0.0
Total debt securities | 51.1 | 0.0
Derivative assets | 4.5 | 12.3
Derivative liabilities | 4.5 | 12.3
Carrying Value | Senior Notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 400.0 | 400.0
Carrying Value | Senior Notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 550.0 | 550.0
Carrying Value | Senior Notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 800.0 | 800.0
Carrying Value | Non-recourse notes payable | Nonrecourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 2,109.3 | 1,705.6
Carrying Value | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 698.0 | 603.5
Carrying Value | PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | 100.0 | 0.0
Carrying Value | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 20.2 | 0.0
Carrying Value | Municipal debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 10.0 | 0.0
Carrying Value | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 20.9 | 0.0
Fair value Measurement | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 2.2 | 0.0
Total debt securities | 20.2 | 0.0
Derivative assets | 0.0 | 0.0
Derivative liabilities | 0.0 | 0.0
Fair value Measurement | Level 1 | Senior Notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 385.0 | 380.0
Fair value Measurement | Level 1 | Senior Notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 500.5 | 492.3
Fair value Measurement | Level 1 | Senior Notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 732.0 | 716.0
Fair value Measurement | Level 1 | Non-recourse notes payable | Nonrecourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 1 | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 1 | PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | 100.0 | 0.0
Fair value Measurement | Level 1 | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 20.2 | 0.0
Fair value Measurement | Level 1 | Municipal debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Fair value Measurement | Level 1 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Fair value Measurement | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 0.0 | 0.0
Total debt securities | 30.9 | 0.0
Derivative assets | 4.5 | 12.3
Derivative liabilities | 4.5 | 12.3
Fair value Measurement | Level 2 | Senior Notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 2 | Senior Notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 2 | Senior Notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 2 | Non-recourse notes payable | Nonrecourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 2,115.7 | 1,705.1
Fair value Measurement | Level 2 | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 701.3 | 644.5
Fair value Measurement | Level 2 | PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | 0.0 | 0.0
Fair value Measurement | Level 2 | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Fair value Measurement | Level 2 | Municipal debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 10.0 | 0.0
Fair value Measurement | Level 2 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 20.9 | 0.0
Fair value Measurement | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities | 0.0 | 0.0
Total debt securities | 0.0 | 0.0
Derivative assets | 0.0 | 0.0
Derivative liabilities | 0.0 | 0.0
Fair value Measurement | Level 3 | Senior Notes | 4.625% Senior notes due 2027 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 3 | Senior Notes | 4.375% Senior notes due 2031 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 3 | Senior Notes | 3.875% Senior notes due 2029 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 3 | Non-recourse notes payable | Nonrecourse |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 3 | Real estate mortgages and other debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Long-term debt | 0.0 | 0.0
Fair value Measurement | Level 3 | PINE.L |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity method investment | 0.0 | 0.0
Fair value Measurement | Level 3 | U.S. Treasury |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Fair value Measurement | Level 3 | Municipal debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | 0.0 | 0.0
Fair value Measurement | Level 3 | Corporate debt |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total debt securities | $ 0.0 | $ 0.0

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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