Asset Exchange Transaction (Details) - Exchange of Productive Assets $ in Millions	3 Months Ended	12 Months Ended
Sep. 30, 2019 a	Dec. 31, 2019 USD ($)
Nonmonetary Transaction [Line Items]
Number of acres disposed of	16,000
Number of acres acquired	16,000
Number of acres disposed, additional consideration	3,000
Gain (loss) recognized on transfer \| $		$ (13.9)
Reimbursement liability recognized \| $		$ 38.1

Disclosure of the difference in values (gain (loss)) between the nonmonetary assets or liabilities exchanged with another entity inclusive of boot (small monetary consideration).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 845
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=68069686&loc=d3e32049-108421

Name:	us-gaap_NonmonetaryTransactionGainLossRecognizedOnTransfer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration