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Investment in Unconsolidated Subsidiary (Details) $ in Thousands | 2 Months Ended | 3 Months Ended | 7 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 28, 2017 USD ($) | Jan. 02, 2016 USD ($) | Dec. 31, 2011 | Dec. 31, 2016 USD ($) barrel / day $ / gal | Dec. 31, 2016 USD ($) | Jan. 02, 2016 USD ($) | Dec. 31, 2015 USD ($) | Jan. 03, 2015 USD ($) | Dec. 31, 2014 USD ($) | May 31, 2011 USD ($) | Jan. 21, 2011
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Processing Capability, Barrels of Input Feedstock Per Day | barrel / day |  |  |  | 12,000 |  |  |  |  |  |  |
Investment in the joint venture |  | $ 247,238 |  | $ 292,717 | $ 292,717 | $ 247,238 |  |  |  |  |
Gain from equity method investments |  |  |  | $ 70,379 |  | 73,416 |  | $ 65,609 |  |  |
Dollars per Gallon | $ / gal |  |  |  | 1.00 |  |  |  |  |  |  |
Renewable Diesel, Percentage |  |  |  | 0.10% |  |  |  |  |  |  |
Income Tax Credits and Adjustments |  | $ 85,400 |  |  |  |  |  |  |  |  |
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital |  |  |  | $ 26,317 |  | 26,589 |  | 0 |  |  |
Diamond Green Diesel Holdings LLC Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  |  | 50.00%
Line of credit facility, term |  |  | 14 years |  |  |  |  |  |  |  |
Term loan facility |  |  |  |  |  |  |  |  |  | $ 221,300 |
Investment in the joint venture |  |  |  | 270,700 | 270,700 |  |  |  |  |  |
Gain from equity method investments |  |  |  | 69,900 |  | 71,900 |  | $ 63,800 |  |  |
Income Tax Credits and Adjustments |  |  |  |  | $ 160,600 |  | $ 156,600 |  | $ 126,000 |  |
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital |  |  |  | $ 25,000 |  | $ 25,000 |  |  |  |  |
Valero Energy Corporation [Member] | Diamond Green Diesel Holdings LLC Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  |  |  | 50.00%
Subsequent Event [Member] | Diamond Green Diesel Holdings LLC Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital | $ 25,000 |  |  |  |  |  |  |  |  |  |

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