XML 13 R1.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Mar. 31, 2024
Jun. 30, 2023
Document Information [Line Items]      
Document Type 10-K/A    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-08951    
Entity Registrant Name M.D.C. HOLDINGS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 84-0622967    
Entity Address, Address Line One 4350 South Monaco Street, Suite 500    
Entity Address, Address Line Two Suite 500    
Entity Address, City or Town Denver    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80237    
City Area Code 303    
Local Phone Number 773-1100    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Public Float     $ 2,800
Entity Common Stock, Shares Outstanding   75,047,701  
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
None. 		   
Entity Central Index Key 0000773141    
Amendment Flag false    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2023    
Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, $.01 par value    
Trading Symbol MDC    
Security Exchange Name NYSE    
Senior Notes 6.00% Due 2043      
Document Information [Line Items]      
Title of 12(b) Security 6% Senior Notes due January 2043    
Trading Symbol MDC 43    
Security Exchange Name NYSE