The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

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Name:	us-gaap_SaleLeasebackTransactionNetBookValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Leases - Narrative (Details) - USD ($) $ in Thousands	Apr. 30, 2020	Jan. 31, 2020
City of Joplin Missouri
Other Commitments
Bonds issued		$ 51,400
Building and Building Improvements
Other Commitments
Construction in progress	$ 5,505