Distributions declared to non-controlling unitholders of RMCO, LLC.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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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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Earnings Per Share and Dividends - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended						9 Months Ended
	Nov. 04, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Dividends Payable [Line Items]
Dividends to Class A common stockholders		$ 3,988	$ 3,987	$ 3,986	$ 3,745	$ 3,739	$ 3,740
Common Class A
Dividends Payable [Line Items]
Cash dividends declared per share of Class A common stock		$ 0.22			$ 0.21			$ 0.66	$ 0.63
Quarterly dividend
Dividends Payable [Line Items]
Dividend to non-controlling unitholders		$ 2,763	$ 2,763	$ 2,763	$ 2,638	$ 2,637	$ 2,638	$ 8,289	$ 7,913
Quarterly dividend \| Common Class A
Dividends Payable [Line Items]
Cash dividends declared per share of Class A common stock		$ 0.22	$ 0.22	$ 0.22	$ 0.21	$ 0.21	$ 0.21	$ 0.66	$ 0.63
Dividends to Class A common stockholders		$ 3,988	$ 3,987	$ 3,986	$ 3,745	$ 3,739	$ 3,740	$ 11,961	$ 11,224
Quarterly dividend \| Common Class A \| Subsequent Event
Dividends Payable [Line Items]
Cash dividends declared per share of Class A common stock	$ 0.22