Adjustments to Additional Paid in Capital, Deferred Tax Asset

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Business Acquisition, Equity Interest Acquired, Number of Shares

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Business Combination, Share Conversion Rate

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Ownership Percentage Held By Public Unitholders In Reporting Entity

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

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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.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Organization and Summary of Significant Accounting Policies - Merger Transaction Narratives (Details) $ in Thousands		3 Months Ended		6 Months Ended
	Apr. 26, 2018 USD ($) shares	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Business Acquisitions
Ownership percentage held by reporting entity	57.00%
Deferred tax asset, net		$ 57,200		$ 57,200
Deferred tax asset valuation allowance		55,300		55,300
Adjustments to additional paid in capital, deferred tax asset				101,200
Merger-related costs		$ 5,686	$ 0	$ 9,811	$ 0
Partnership Merger
Business Acquisitions
Deferred tax asset acquired	$ 156,500
Partnership Merger \| Common Stock
Business Acquisitions
Business acquisition, shares issued (shares) \| shares	57,600,000.0
Business acquisition, shares acquired (shares) \| shares	41.2
Share conversion rate (per share)	1.40
Value of shares used as consideration	$ 625,300