Subsequent Events (Details) $ in Millions	Apr. 02, 2018 USD ($)
Subsequent Event \| Disposal Group, Held-for-sale, Not Discontinued Operations \| Grain Elevators [Member] \| Humboldt, Kenton and Dyer, Tennessee [Member]
Subsequent Event [Line Items]
Consideration on sell of assets	$ 19.5

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.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration