Intangible Assets - Narrative (Details) $ in Thousands	1 Months Ended
Jun. 30, 2018 USD ($) acre_foot
Finite-Lived Intangible Assets [Line Items]
Number of acre-feet of water rights sold \| acre_foot	500
Proceeds from sale of water rights	$ 10,000
Proceeds from sale of water rights per acre foot (in dollars per acre foot)	$ 20

The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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