ESTIMATED DEVELOPMENT LIABILITY - Narrative (Details) lot in Thousands	Oct. 02, 2018 lot
AV Homes, Inc.
Business Acquisition [Line Items]
Number of home sites acquired (more than)	8

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.

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