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LEASES - RIGHT OF USE ASSETS (Details) - USD ($) $ in Millions | Sep. 30, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Right of use assets |  |  |
Total finance lease right of use asset/capital lease asset | $ 43.8 |  | $ 19.4
Operating lease right of use assets | 43.8 | $ 49.0 |
Power Purchase Contract |  |  |
Right of use assets |  |  |
Under finance/capital lease | 140.3 |  | 140.3
Accumulated amortization | (125.2) |  | (120.9)
Total finance lease right of use asset/capital lease asset | 15.1 |  | 19.4
Two Creeks Solar Project |  |  |
Right of use assets |  |  |
Under finance/capital lease | 7.7 |  | 0.0
Accumulated amortization | 0.0 |  | 0.0
Total finance lease right of use asset/capital lease asset | 7.7 |  | 0.0
Badger Hollow Solar Farm I |  |  |
Right of use assets |  |  |
Under finance/capital lease | 21.0 |  | 0.0
Accumulated amortization | 0.0 |  | 0.0
Total finance lease right of use asset/capital lease asset | $ 21.0 |  | $ 0.0

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