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Commitments and Contingencies (Details 6) $ in Thousands |  | 1 Months Ended | 12 Months Ended | 94 Months Ended
--- | --- | --- | --- | ---
Aug. 01, 2016 USD ($) | Mar. 31, 2012 USD ($) issue | Dec. 31, 2016 USD ($) landfill | Dec. 31, 2015 USD ($) landfill | Dec. 31, 2014 USD ($) | Nov. 01, 2014 USD ($)
WRC |  |  |  |  |  |
Environmental, Health, and Safety ("EHS") Matters |  |  |  |  |  |
Expected remaining costs under consent order |  |  | $ 3,900 |  |  |
Expenses related to environmental, health and safety ("EHS") matters |  |  | 17,200 | $ 35,700 | $ 100,600 |
EHS |  |  |  |  |  |
Environmental, Health, and Safety ("EHS") Matters |  |  |  |  |  |
Environmental accruals |  |  | 4,800 | 3,600 |  |
Environmental accruals included in other current liabilities |  |  | 200 | 2,000 |  |
Estimated closure and post-closure costs |  |  | $ 400 | $ 400 |  |
Number of landfills | landfill |  |  | 2 | 2 |  |
EHS | CRRM |  |  |  |  |  |
Environmental, Health, and Safety ("EHS") Matters |  |  |  |  |  |
Cost of renewable identification numbers |  |  | $ 205,900 | $ 123,900 | $ 127,200 |
Biofuel blending obligation recorded in other current liabilities |  |  | 186,300 | $ 9,500 |  |
Marquee issues under the Clean Air Act | issue |  | 4 |  |  |  |
Percentage of refining capacity |  | 95.00% |  |  |  |
Environmental civil penalty |  | $ 700 |  |  |  |
Decrease in estimated costs of additional incremental capital expenditures |  |  | 35,000 |  |  |
Estimated costs of additional incremental capital expenditures |  |  | $ 6,000 |  |  |
EHS | CRCT |  |  |  |  |  |
Environmental, Health, and Safety ("EHS") Matters |  |  |  |  |  |
Estimate of possible loss | $ 500 |  |  |  |  |
Payments for legal settlements | $ 160 |  |  |  |  |
MSAT II | CRRM |  |  |  |  |  |
Environmental, Health, and Safety ("EHS") Matters |  |  |  |  |  |
Expense incurred to date |  |  |  |  |  | $ 48,300
MSAT II | WRC |  |  |  |  |  |
Environmental, Health, and Safety ("EHS") Matters |  |  |  |  |  |
Expense incurred to date |  |  |  |  |  | $ 89,000

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