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Investment in Unconsolidated Subsidiary (Details) $ in Thousands | 7 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2011 | Dec. 29, 2018 USD ($) | Dec. 30, 2017 USD ($) barrel / day $ / gal | Dec. 31, 2016 USD ($) | Dec. 31, 2016 USD ($) | Jan. 02, 2016 USD ($) | Dec. 31, 2015 USD ($) | 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 |  |  | $ 302,038 | $ 292,717 | $ 292,717 |  |  |  |
Gain from equity method investments |  |  | $ 28,504 | 70,379 |  | $ 73,416 |  |  |
Dollars per Gallon | $ / gal |  |  | 1.00 |  |  |  |  |  |
Renewable Diesel, Percentage |  |  | 0.10% |  |  |  |  |  |
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital |  |  | $ 26,761 | 26,317 |  | 26,589 |  |  |
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 |  |  | 273,900 |  |  |  |  |  |
Gain from equity method investments |  |  | 28,200 | 69,900 |  | 71,900 |  |  |
Income Tax Credits and Adjustments |  |  |  |  | $ 160,600 |  | $ 156,600 |  |
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital |  |  | $ 25,000 | $ 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%
Scenario, Forecast [Member] | Diamond Green Diesel Holdings LLC Joint Venture [Member] |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Income Tax Credits and Adjustments |  | $ 160,400 |  |  |  |  |  |  |

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