Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Total revenues	$ 209,404	$ 152,052	$ 561,538	$ 438,527
Cost of Goods and Services Sold	164,679	115,384	441,166	328,154
Total gross profit	44,725	36,668	120,372	110,373
Selling, general and administrative expense	25,078	19,643	71,104	57,790
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	1,492	0	1,749	0
Equity in income of unconsolidated entities	3,022	2,719	7,565	6,534
Other income, net	3,795	363	6,663	1,831
Income before income taxes	24,972	20,107	61,747	60,948
Income tax expense	5,833	4,734	14,993	13,341
Net income	19,139	15,373	46,754	47,607
Less: Net income attributable to noncontrolling interests	3,468	3,176	4,018	9,338
Net income attributable to Green Brick Partners, Inc.	$ 15,671	$ 12,197	$ 42,736	$ 38,269
Net income attributable to Green Brick Partners, Inc. per common share:
Basic (in dollars per share)	$ 0.31	$ 0.24	$ 0.85	$ 0.76
Diluted (in dollars per share)	$ 0.31	$ 0.24	$ 0.84	$ 0.75
Weighted average common shares used in the calculation of net income attributable to Green Brick Partners, Inc. per common share:
Basic (in shares)	50,475	50,686	50,564	50,642
Diluted (in shares)	50,597	50,778	50,642	50,760
Residential Real Estate [Member]
Total revenues	$ 199,918	$ 139,459	$ 536,560	$ 406,903
Cost of Goods and Services Sold	157,243	104,831	421,663	302,899
Real Estate, Other [Member]
Total revenues	9,486	12,593	24,978	31,624
Cost of Goods and Services Sold	$ 7,436	$ 10,553	$ 19,503	$ 25,255