Subsequent Events (Details Textuals) - Subsequent Event - USD ($) $ in Millions	Jul. 24, 2020	Jul. 31, 2020
Subsequent Event [Line Items]
Insurance settlement receivable		$ 16
Net proceeds from land sales	$ 14

The cash inflow from the sale of land held for use; excludes sales of land held as inventory or investments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfLandHeldForUse
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration