Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Payment of dividends to Class A common stockholders	$ 2,606	$ 2,564
Distributions paid to non-controlling unit holders	7,172	$ 3,770
Class A Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Payment of dividends to Class A common stockholders	$ 2,600
Dividends paid (in dollars per share)	$ 0.18125	$ 0.18125
Class B Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Distributions paid to non-controlling unit holders	$ 3,800
Shares excluded from computation of diluted earnings per share (in shares)	20.8

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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Aggregate dividends paid during the period for each share of common stock outstanding.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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