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Long-term Commitment, Payments for Purchases Made Against Commitment

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Loss Contingency, Insurance, Deductible

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The minimum amount the entity agreed to spend under the long-term purchase commitment.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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- Definition

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

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Commitments and Contingencies (Details)					6 Months Ended	24 Months Ended
Commitments and Contingencies (Details)	Aug. 01, 2017 USD ($)	May 16, 2017 USD ($)	Apr. 19, 2017 USD ($)	Oct. 21, 2016 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($) a
Long-term Purchase Commitment [Line Items]
Commitments					$ 60,079,000
Insurance deductible				$ 250,000
Penalty issued by OSHA			$ 138,000
Payments for legal settlements		$ 75,000
Environmental Protection Agency (EPA) \| Subsequent Event
Long-term Purchase Commitment [Line Items]
Civil penalties	$ 250,000
Warehouse Expansion
Long-term Purchase Commitment [Line Items]
Commitments						$ 29,000,000
Area of campus (in acres) \| a						20
Strategic growth period						5 years
Purchases made against approved investment amount					22,725,000
Capital Expenditures
Long-term Purchase Commitment [Line Items]
Aggregate purchase commitments					$ 3,843,000