Related Party Transactions	3 Months Ended
Mar. 31, 2018
Related Party Transactions [Abstract]
Related Party Transactions	RELATED PARTY TRANSACTIONS During the three months ended March 31, 2018 and 2017, the Company had related party transactions through the normal course of business. These transactions include the following: In 2012, we formed Centre Living Homes, LLC (“Centre Living”), a builder that focuses on a limited number of homes and luxury townhomes each year in the Dallas, Texas market. Trevor Brickman, the son of Green Brick’s Chief Executive Officer, is the president of Centre Living. Green Brick’s ownership interest in Centre Living is 50% and Trevor Brickman’s ownership interest is 50%. Green Brick has 51% voting control over the operations of Centre Living. As such, 100% of Centre Living’s operations are included within our condensed consolidated financial statements. The noncontrolling interest attributable to Centre Living was $115,740 and $56,445 as of March 31, 2018 and December 31, 2017, respectively. In June 2016, the Company sold one developed lot to Trevor Brickman for $0.4 million, of which $0.3 million was included in the cost of land and lots. In September 2016, Trevor Brickman entered into an agreement with Centre Living to construct a home on the developed lot. In accordance with the Company’s employee discount policy, the contract price resulted in a margin of approximately 13%. The home was completed in 2017 and the Company incurred $0.6 million in costs to construct the home. In September 2015, the Company purchased 11 lots from an entity affiliated with the president of The Providence Group of Georgia L.L.C. (“TPG”), one of its controlled builders. The lots are part of a 19 home community, The Parc at Cogburn in Atlanta. The total paid for the lots in 2015 was $1.8 million. Under the option contract in place, the Company purchased $0.5 million in lots during the three months ended March 31, 2017. There were no lots remaining to be purchased as of December 31, 2017. During March 2016, the Company purchased undeveloped land for development of an 83 lot community, Academy Street in Atlanta. Simultaneously, the Company entered into a partnership agreement with an entity affiliated with the president of TPG to develop the land for sale of the lots to TPG. Contributions and profits are shared 80% by the Company and 20% by the affiliated entity. Total capital contributions through March 31, 2018 are $11.7 million. There were no contributions made to, or distributions received from, the partnership in the three months ended March 31, 2018. Total contributions to the partnership during the three months ended March 31, 2017 were $0.4 million, of which 80% was paid by the Company. Total distributions from the partnership during the three months ended March 31, 2017 were $5.0 million, of which $4.0 million, was paid to the Company. The Company has consolidated the entity’s results of operations and financial condition into its financial statements based on our 80% ownership. During March 2016, the Company purchased undeveloped land for development of a 73 unit townhome community, Suwanee Station in Atlanta. Simultaneously, the Company entered into a partnership agreement with an entity affiliated with the president of TPG to develop the land for sale of the lots to TPG. Contributions and profits are shared 50% by the Company and 50% by the affiliated entity. Total capital contributions through March 31, 2018 are $2.5 million. There were no contributions made to the partnership in the three months ended March 31, 2018 or 2017. Total distributions made by the partnership during the three months ended March 31, 2018 and 2017 were $0.7 million and $0.4 million, respectively, of which $0.3 million and $0.2 million, respectively, was paid to the Company. The Company holds two of the three board seats and is able to exercise control over the operations of the partnership, and therefore has consolidated the entity’s results of operations and financial condition into its financial statements. In June 2016, the Company purchased 14 lots from an entity affiliated with the president of TPG. The lots are part of a 40 unit townhome community, Dunwoody Towneship. No deposits were paid by the Company related to these lots. The Company purchased the remaining 26 lots during the year ended December 31, 2017 for $3.3 million, of which $0.7 million was paid during the three months ended March 31, 2017. In February 2017, Richard A. Costello paid a $110,000 deposit to Centre Living Homes, LLC on a townhome. During the fourth quarter of 2017, Mr. Costello closed on the townhome for approximately $525,000. In accordance with the Company’s employee discount policy, the contract price resulted in a margin of approximately 13%. In February 2017, Jed Dolson paid a $110,000 deposit to Centre Living Homes, LLC on a townhome. During the fourth quarter of 2017, as allowed for in the Company’s employee discount policy, Mr. Dolson assigned his rights to purchase the townhome to his sister-in-law. The townhome was sold in the fourth quarter of 2017 for approximately $475,000. In accordance with the Company’s employee discount policy, the contract price resulted in a margin of approximately 13%.

RELATED PARTY TRANSACTIONS

During the three months ended March 31, 2018 and 2017, the Company had related party transactions through the normal course of business. These transactions include the following:

In 2012, we formed Centre Living Homes, LLC (“Centre Living”), a builder that focuses on a limited number of homes and luxury townhomes each year in the Dallas, Texas market. Trevor Brickman, the son of Green Brick’s Chief Executive Officer, is the president of Centre Living. Green Brick’s ownership interest in Centre Living is 50% and Trevor Brickman’s ownership interest is 50%. Green Brick has 51% voting control over the operations of Centre Living. As such, 100% of Centre Living’s operations are included within our condensed consolidated financial statements. The noncontrolling interest attributable to Centre Living was $115,740 and $56,445 as of March 31, 2018 and December 31, 2017, respectively. In June 2016, the Company sold one developed lot to Trevor Brickman for $0.4 million, of which $0.3 million was included in the cost of land and lots. In September 2016, Trevor Brickman entered into an agreement with Centre Living to construct a home on the developed lot. In accordance with the Company’s employee discount policy, the contract price resulted in a margin of approximately 13%. The home was completed in 2017 and the Company incurred $0.6 million in costs to construct the home.

In September 2015, the Company purchased 11 lots from an entity affiliated with the president of The Providence Group of Georgia L.L.C. (“TPG”), one of its controlled builders. The lots are part of a 19 home community, The Parc at Cogburn in Atlanta. The total paid for the lots in 2015 was $1.8 million. Under the option contract in place, the Company purchased $0.5 million in lots during the three months ended March 31, 2017. There were no lots remaining to be purchased as of December 31, 2017.

During March 2016, the Company purchased undeveloped land for development of an 83 lot community, Academy Street in Atlanta. Simultaneously, the Company entered into a partnership agreement with an entity affiliated with the president of TPG to develop the land for sale of the lots to TPG. Contributions and profits are shared 80% by the Company and 20% by the affiliated entity. Total capital contributions through March 31, 2018 are $11.7 million. There were no contributions made to, or distributions received from, the partnership in the three months ended March 31, 2018. Total contributions to the partnership during the three months ended March 31, 2017 were $0.4 million, of which 80% was paid by the Company. Total distributions from the partnership during the three months ended March 31, 2017 were $5.0 million, of which $4.0 million, was paid to the Company. The Company has consolidated the entity’s results of operations and financial condition into its financial statements based on our 80% ownership.

During March 2016, the Company purchased undeveloped land for development of a 73 unit townhome community, Suwanee Station in Atlanta. Simultaneously, the Company entered into a partnership agreement with an entity affiliated with the president of TPG to develop the land for sale of the lots to TPG. Contributions and profits are shared 50% by the Company and 50% by the affiliated entity. Total capital contributions through March 31, 2018 are $2.5 million. There were no contributions made to the partnership in the three months ended March 31, 2018 or 2017. Total distributions made by the partnership during the three months ended March 31, 2018 and 2017 were $0.7 million and $0.4 million, respectively, of which $0.3 million and $0.2 million, respectively, was paid to the Company. The Company holds two of the three board seats and is able to exercise control over the operations of the partnership, and therefore has consolidated the entity’s results of operations and financial condition into its financial statements.

In June 2016, the Company purchased 14 lots from an entity affiliated with the president of TPG. The lots are part of a 40 unit townhome community, Dunwoody Towneship. No deposits were paid by the Company related to these lots. The Company purchased the remaining 26 lots during the year ended December 31, 2017 for $3.3 million, of which $0.7 million was paid during the three months ended March 31, 2017.

In February 2017, Richard A. Costello paid a $110,000 deposit to Centre Living Homes, LLC on a townhome. During the fourth quarter of 2017, Mr. Costello closed on the townhome for approximately $525,000. In accordance with the Company’s employee discount policy, the contract price resulted in a margin of approximately 13%.

In February 2017, Jed Dolson paid a $110,000 deposit to Centre Living Homes, LLC on a townhome. During the fourth quarter of 2017, as allowed for in the Company’s employee discount policy, Mr. Dolson assigned his rights to purchase the townhome to his sister-in-law. The townhome was sold in the fourth quarter of 2017 for approximately $475,000. In accordance with the Company’s employee discount policy, the contract price resulted in a margin of approximately 13%.