Business and Organization (Details)	12 Months Ended
	Dec. 31, 2023 state Vote Office class	Dec. 31, 2022
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Percentage of company consisting of franchises	100.00%
Number of classes of common stock | class	2
Common Class A
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of votes per share held | Vote	1
Common Class A | One Company Founder
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Ownership percentage	1.10%
Motto | Minimum
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of offices | Office	225
Number of states in which entity operates | state	40
RMCO, LLC
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Parent economic interest in RMCO (as a percentage)	59.30%	58.70%
RMCO, LLC | RIHI
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Non-controlling interest ownership of common units in RMCO	40.70%	41.30%