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Leases - Right of Use Assets (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Right of use assets |  |  |
Total finance lease right of use asset/capital lease asset | $ 40.6 |  | $ 19.4
Operating lease right of use assets | 41.4 | $ 49.0 |
Power Purchase Contract |  |  |
Right of use assets |  |  |
Under finance/capital lease | 140.3 |  | 140.3
Accumulated amortization | (126.6) |  | (120.9)
Total finance lease right of use asset/capital lease asset | 13.7 |  | 19.4
Two Creeks Solar Project |  |  |
Right of use assets |  |  |
Under finance/capital lease | 7.7 |  | 0.0
Accumulated amortization | (0.1) |  | 0.0
Total finance lease right of use asset/capital lease asset | 7.6 |  | 0.0
Badger Hollow Solar Farm I |  |  |
Right of use assets |  |  |
Under finance/capital lease | 19.5 |  | 0.0
Accumulated amortization | (0.2) |  | 0.0
Total finance lease right of use asset/capital lease asset | $ 19.3 |  | $ 0.0

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