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ACQUISITIONS - Disposition of royalty portfolio (Details) - USD ($) shares in Millions, $ in Millions |  | 12 Months Ended
--- | --- | ---
Dec. 19, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Acquisitions and Dispositions |  |  |
Gain (loss) on disposals |  | $ 70.4 | $ (0.8)
Maverix |  |  |
Acquisitions and Dispositions |  |  |
Total consideration | $ 73.9 |  |
Total consideration in cash | $ 25.0 |  |
Total consideration in shares | 11.2 |  |
Consideration shares (percent of outstanding counterparty shares) | 9.40% |  |
Gain (loss) on disposals | $ 72.7 |  |

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