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Segment Information, Nature of Operations, and Certain Concentrations - Additional Information (Detail)
12 Months Ended
Dec. 31, 2023
metropolitan_area
Trade_Names
segment
Segment Reporting Information [Line Items]  
Number of trade names | Trade_Names 3
Number of metropolitan areas Ryan Homes product are sold | metropolitan_area 36
Senior Notes Due Two Thousand Thirty [Member]  
Segment Reporting Information [Line Items]  
Senior notes interest rate 3.00%
Home Building  
Segment Reporting Information [Line Items]  
Number of reportable segments 4
Mortgage Banking  
Segment Reporting Information [Line Items]  
Number of reportable segments 1