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STOCKHOLDERS’ EQUITY - Common Shares Issued and Sold (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Subsidiary, Sale of Stock [Line Items] |  |  |
Number of Shares Issued (in shares) | 65.2 | 60.5 | 50.2
Gross Proceeds | $ 1,376.4 | $ 1,178.4 | $ 1,035.3
Underwriting Fees/Offering Expenses | 13.7 | 24.1 | 34.0
Net Proceeds | $ 1,362.7 | $ 1,154.3 | $ 1,001.3
Public offerings |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Number of Shares Issued (in shares) |  | 12.1 | 29.6
Gross Proceeds |  | $ 236.8 | $ 613.5
Underwriting Fees/Offering Expenses |  | 13.4 | 29.2
Net Proceeds |  | $ 223.4 | $ 584.3
Average Offering Price Per Share (in dollars per share) |  | $ 19.61 | $ 19.74
“At the market” offerings |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Number of Shares Issued (in shares) | 65.2 | 48.4 | 20.6
Gross Proceeds | $ 1,376.4 | $ 941.6 | $ 421.8
Underwriting Fees/Offering Expenses | 13.7 | 10.7 | 4.8
Net Proceeds | $ 1,362.7 | $ 930.9 | $ 417.0
Average Offering Price Per Share (in dollars per share) | $ 21.12 | $ 19.44 | $ 20.52
Over-allotment option one |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Number of Shares Issued (in shares) |  | 12.1 | 11.2
Average Offering Price Per Share (in dollars per share) |  | $ 18.53 | $ 21.06
Over-allotment option two |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Number of Shares Issued (in shares) |  |  | 9.2
Average Offering Price Per Share (in dollars per share) |  |  | $ 19.00
Over-allotment option three |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Number of Shares Issued (in shares) |  |  | 9.2
Average Offering Price Per Share (in dollars per share) |  |  | $ 18.87

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