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New Markets Tax Credit Transaction (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 26, 2015
Variable Interest Entity [Line Items] |  |
Percentage of qualifying investments on tax credits | 39.00% |
Aggregate principal amount | $ 13.7 |
Percentage of aggregate principal amount, leverage loan | 1.00% |
Maturity date | Oct. 17, 2041 |
Restricted cash | $ 9.0 | $ 3.7
Percentage of recapture to the tax credits | 100.00% |
Compliance period | 7 years |
Wells Fargo [Member] |  |
Variable Interest Entity [Line Items] |  |
Contribution to investment fund | $ 6.6 |
MCTC Investment [Member] |  |
Variable Interest Entity [Line Items] |  |
Restricted cash | $ 6.6 |

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