Common Stock, Voting Rights, Number of Votes Per Share

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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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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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No definition available.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Stockholders' Equity (Details) $ in Thousands		3 Months Ended		8 Months Ended
Stockholders' Equity (Details) $ in Thousands	Feb. 05, 2019	Mar. 31, 2020 USD ($) vote shares	Mar. 31, 2019	Mar. 31, 2020 USD ($) vote shares	Dec. 31, 2019 shares	Aug. 05, 2019 shares
Class of Stock [Line Items]
Total cost of shares repurchased \| $		$ 6,483
Highlander
Class of Stock [Line Items]
Percentage of economic interest owned by noncontrolling interest holders			15.00%
VIE, Primary Beneficiary \| Magnolia LLC
Class of Stock [Line Items]
Percentage of economic interest owned		66.00%
Percentage of economic interest owned by noncontrolling interest holders		34.00%		34.00%
MGY Louisiana LLC \| Highlander
Class of Stock [Line Items]
Percentage of units held	85.00%		85.00%
Class A Common Stock
Class of Stock [Line Items]
Common stock, shares issued (in shares)		168,473,000		168,473,000	168,318,000
Common stock, shares outstanding (in shares)		166,473,000		166,473,000	167,318,000
Number of votes for each share held \| vote		1		1
Number of shares authorized to be repurchased (in shares)						10,000,000
Number of shares repurchased (in shares)				2,000,000.0
Total cost of shares repurchased \| $				$ 16,800
Class B Common Stock
Class of Stock [Line Items]
Common stock, shares issued (in shares)		85,790,000		85,790,000	85,790,000
Common stock, shares outstanding (in shares)		85,790,000		85,790,000	85,790,000
Number of votes for each share held \| vote		1		1