v3.26.1
Document And Entity Information
 12 Months Ended
Dec. 31, 2025
employee
Feb. 20, 2026
shares
Jun. 30, 2025
USD ($)
Entity Information [Line Items]      
Entity Incorporation, State or Country Code DE    
Document Transition Report false    
Document Quarterly Report true    
Entity Number of Employees | employee 620    
Entity Registrant Name Green Brick Partners, Inc.    
Entity Central Index Key 0001373670    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K/A    
Document Period End Date Dec. 31, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag true    
Entity File Number 001-33530    
Entity Tax Identification Number 20-5952523    
City Area Code (469)    
Local Phone Number 573-6755    
Entity Address, Address Line One 5501 Headquarters Drive, Suite 300W    
Entity Address, City or Town Plano    
Entity Address, Postal Zip Code 75024    
Entity Address, State or Province TX    
Entity Emerging Growth Company false    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Shell Company false    
Entity Public Float | $     $ 1,919,559,894
Entity Common Stock, Shares Outstanding | shares   43,157,292  
Entity Small Business false    
Auditor Location Dallas, Texas    
Auditor Name RSM    
ICFR Auditor Attestation Flag true    
Auditor Firm ID 49    
Current Fiscal Year End Date --12-31    
Document Financial Statement Error Correction [Flag] true    
Document Financial Statement Restatement Recovery Analysis [Flag] true    
Series A Preferred Stock      
Entity Information [Line Items]      
Title of 12(b) Security Depositary Shares (each representing a 1/1000th interest in a share of 5.75% Series A Cumulative Perpetual Preferred Stock, par value $0.01 per share)    
Trading Symbol GRBK PRA    
Security Exchange Name NYSE    
Common Stock      
Entity Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol GRBK    
Security Exchange Name NYSE