WATER AND LAND ASSETS, The Arapahoe County Fairgrounds Water and Water System (Details) - Fairgrounds Water and Water System [Member] $ in Millions	12 Months Ended
Aug. 31, 2018 USD ($) acre ft gal
The Arapahoe County Fairgrounds Water and Water System [Abstract]
Capitalized costs \| $	$ 2.9
Capacity of water tank \| gal	500,000
Ground Water [Member]
The Arapahoe County Fairgrounds Water and Water System [Abstract]
Volume of water \| acre ft	321

The amount of capitalized exploratory well costs that is pending the determination of proved reserves. This does not include amounts that were capitalized and subsequently expensed in the same annual period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68064819&loc=SL6806780-109447

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