Subsequent Events (Details) - DZ Financing Program, 2018 Amendment - Subsequent Event - USD ($)	Jan. 04, 2019	Jan. 03, 2019
Subsequent Event [Line Items]
Covenant, minimum tangible net worth, through fiscal 2019	$ 30,000,000.0
Covenant, minimum tangible net worth, fiscal 2020	$ 40,000,000.0
Maximum permitted delinquent receivables, payment terms (excess of)	60 days
Maximum permitted delinquent receivables, percent	10.00%	2.50%

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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- Definition

Debt Instrument, Covenant Description, Minimum Tangible Net Worth, In Two Years

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- Definition

Debt Instrument, Covenant Description, Minimum Tangible Net Worth, Next Twelve Months

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- Definition

Line of Credit Facility, Maximum Permitted Delinquent Receivables, Payment Terms Period

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Line of Credit Facility, Maximum Permitted Delinquent Receivables, Percent

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