Organization and Summary of Significant Accounting Policies - Merger Transaction (Details) - Subsequent Event - Partnership Merger - Common Stock	Apr. 26, 2018 shares
Business Acquisitions
Share conversion rate (per share)	1.40
Business acquisition, shares issued (shares)	57,600,000.0
Business acquisition, shares acquired (shares)	41.2

Number of shares of equity interests issued or issuable to acquire entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration