Non-controlling Interest - Ownership of common units in RMCO (Details) - RMCO, LLC - shares	Sep. 30, 2022	Dec. 31, 2021
Shares
Holdings outstanding Class A common stock (equal to Holdings common units in RMCO)	18,390,142	18,806,194
Total number of common stock units in RMCO	30,949,742	31,365,794
Ownership Percentage
Holdings outstanding Class A common stock (equal to Holdings common units in RMCO)	59.40%	60.00%
Total percentage of common stock units	100.00%	100.00%
RIHI
Shares
Non-controlling interest ownership of common units in RMCO	12,559,600	12,559,600
Ownership Percentage
Non-controlling interest ownership of common units in RMCO	40.60%	40.00%

The noncontrolling interest in net assets of the subsidiary, in number of common stock units owned.

No definition available.

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The parent entity's interest in net assets of the subsidiary, in number of common stock units owned.

No definition available.

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No definition available.

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Aggregate percentage of subsidiary's common units outstanding.

No definition available.

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No definition available.

Number of common units of ownership outstanding of a limited liability company (LLC).

No definition available.

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

No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

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