Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total revenues	$ 275,821	$ 209,404	$ 721,921	$ 561,538
Cost of Goods and Services Sold	207,935	164,679	551,171	441,166
Gross Profit	67,886	44,725	170,750	120,372
Selling, general and administrative expenses	29,177	25,061	81,718	70,584
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	210	1,492	(210)	1,749
Equity in income of unconsolidated entities	5,299	3,022	13,038	7,565
Other income, net	2,125	3,778	3,004	6,143
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	45,923	24,972	104,864	61,747
Income tax expense	9,969	5,833	17,357	14,993
Net income	35,954	19,139	87,507	46,754
Less: Net income attributable to noncontrolling interests	1,135	3,468	3,124	4,018
Net income attributable to Green Brick Partners, Inc.	$ 34,819	$ 15,671	$ 84,383	$ 42,736
Net income attributable to Green Brick Partners, Inc. per common share:
Basic (in dollars per share)	$ 0.69	$ 0.31	$ 1.67	$ 0.85
Diluted (in dollars per share)	$ 0.68	$ 0.31	$ 1.66	$ 0.84
Weighted average common shares used in the calculation of net income attributable to Green Brick Partners, Inc. per common share:
Basic (in shares)	50,617	50,475	50,552	50,564
Diluted (in shares)	50,876	50,597	50,739	50,642
Residential Real Estate [Member]
Total revenues	$ 263,885	$ 199,918	$ 683,739	$ 536,560
Cost of Goods and Services Sold	198,422	157,243	521,332	421,663
Real Estate, Other [Member]
Total revenues	11,936	9,486	38,182	24,978
Cost of Goods and Services Sold	$ 9,513	$ 7,436	$ 29,839	$ 19,503