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New Markets Tax Credit Transactions (Details) $ in Millions | 12 Months Ended
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Dec. 30, 2017 USD ($)
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%
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

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