INVESTMENTS INVESTMENTS - INVESTMENTS IN LEASEHOLD LAND INTERESTS - LOT 4C (Details) a in Thousands	Sep. 30, 2019 a
Investment in leasehold land interest – Lot 4C
Investment Holdings [Line Items]
Area of land (in acres)	1

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.

No definition available.

Name:	us-gaap_InvestmentHoldingsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration