Related Party Transactions	3 Months Ended
Mar. 31, 2017
Related Party Transactions [Abstract]
Related Party Transactions	RELATED PARTY TRANSACTIONS During the three months ended March 31, 2017 and 2016, 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. Effective as of January 1, 2015, Centre Living’s operating agreement was amended and restated to the same general terms as with our other builders, such that Green Brick's ownership interest in Centre Living is 50% and Trevor Brickman's ownership interest is 50% for future operations beginning January 1, 2015. Subsequent to this amendment, 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 $0.2 million and $0.3 million as of March 31, 2017 and December 31, 2016, 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 results in a 13% margin. As of March 31, 2017, the Company has incurred $0.4 million in costs to construct the home. As of March 31, 2017, the Company had $40,569 in accounts receivables due from Trevor Brickman related to the construction of 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 agreement in place, the Company purchased $0.3 million in lots during 2016, $0.5 million during the three months ended March 31, 2017, and has another $0.5 million in lots that it expects to purchase prior to September 2017. The Company has purchased 16 lots as of March 31, 2017. In November 2015, the Company purchased 12 lots from an entity affiliated with the president of TPG, one of its controlled builders. The lots are part of a 92-unit townhome community, Glens at Sugarloaf in Atlanta. No deposits were paid by the Company in contracting for the lots. The total paid for the lots in 2015 was $1.0 million. During March 2016, the Company purchased the remaining 80 townhome lots within the community at a price of $4.8 million from the affiliated entity. During March 2016, the Company purchased undeveloped land for an eventual 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 community for sale of the lots to TPG under GRBK Academy LLC. Contributions and profits will be 80% for the Company and 20% for the affiliated entity. Total capital contributions are estimated at $11.8 million, of which $9.4 million will be contributed by the Company. The total contributions paid in 2016 was $11.2 million, of which $9.0 million was paid by the Company. The total contributions paid during the three months ended March 31, 2017 was $0.5 million, of which $0.4 million was paid by the Company. The Company has 80% ownership in GRBK Academy, LLC and has consolidated the entity. During March 2016, the Company purchased undeveloped land for an eventual 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 community for sale of the lots to TPG under GRBK Suwanee Station LLC. Contributions and profits will be 50% for the Company and 50% for the affiliated entity. Total capital contributions are estimated at $2.0 million, of which $1.0 million will be contributed by the Company. The total contributions paid in 2016 was $1.8 million, of which $0.9 million was paid by the Company. There were no contributions paid during the three months ended March 31, 2017. The Company holds two of the three board seats and is able to exercise control over the operations of GRBK Suwanee Station LLC, and therefore has consolidated the entity. 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 total paid for the lots during the three months ended March 31, 2017 and in all of 2016 was $0.8 million and $1.8 million, respectively. The total that would be expected to be paid for the remaining lots would be $1.0 million during 2017 and $1.7 million during 2018. In February 2017, Richard A. Costello paid a $110,000 deposit to Centre Living Homes, LLC on a townhome he expects to purchase for a value of approximately $525,000. In accordance with the Company's employee discount policy, the contract price results in a 13% margin. In February 2017, Jed Dolson paid a $110,000 deposit to Centre Living Homes, LLC on a townhome he expects to purchase for a value of approximately $475,000. In accordance with the Company's employee discount policy, the contract price results in a 13% margin.

RELATED PARTY TRANSACTIONS

During the three months ended March 31, 2017 and 2016, 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. Effective as of January 1, 2015, Centre Living’s operating agreement was amended and restated to the same general terms as with our other builders, such that Green Brick's ownership interest in Centre Living is 50% and Trevor Brickman's ownership interest is 50% for future operations beginning January 1, 2015. Subsequent to this amendment, 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 $0.2 million and $0.3 million as of March 31, 2017 and December 31, 2016, 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 results in a 13% margin. As of March 31, 2017, the Company has incurred $0.4 million in costs to construct the home. As of March 31, 2017, the Company had $40,569 in accounts receivables due from Trevor Brickman related to the construction of 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 agreement in place, the Company purchased $0.3 million in lots during 2016, $0.5 million during the three months ended March 31, 2017, and has another $0.5 million in lots that it expects to purchase prior to September 2017. The Company has purchased 16 lots as of March 31, 2017.

In November 2015, the Company purchased 12 lots from an entity affiliated with the president of TPG, one of its controlled builders. The lots are part of a 92-unit townhome community, Glens at Sugarloaf in Atlanta. No deposits were paid by the Company in contracting for the lots. The total paid for the lots in 2015 was $1.0 million. During March 2016, the Company purchased the remaining 80 townhome lots within the community at a price of $4.8 million from the affiliated entity.

During March 2016, the Company purchased undeveloped land for an eventual 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 community for sale of the lots to TPG under GRBK Academy LLC. Contributions and profits will be 80% for the Company and 20% for the affiliated entity. Total capital contributions are estimated at $11.8 million, of which $9.4 million will be contributed by the Company. The total contributions paid in 2016 was $11.2 million, of which $9.0 million was paid by the Company. The total contributions paid during the three months ended March 31, 2017 was $0.5 million, of which $0.4 million was paid by the Company. The Company has 80% ownership in GRBK Academy, LLC and has consolidated the entity.

During March 2016, the Company purchased undeveloped land for an eventual 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 community for sale of the lots to TPG under GRBK Suwanee Station LLC. Contributions and profits will be 50% for the Company and 50% for the affiliated entity. Total capital contributions are estimated at $2.0 million, of which $1.0 million will be contributed by the Company. The total contributions paid in 2016 was $1.8 million, of which $0.9 million was paid by the Company. There were no contributions paid during the three months ended March 31, 2017. The Company holds two of the three board seats and is able to exercise control over the operations of GRBK Suwanee Station LLC, and therefore has consolidated the entity.

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 total paid for the lots during the three months ended March 31, 2017 and in all of 2016 was $0.8 million and $1.8 million, respectively. The total that would be expected to be paid for the remaining lots would be $1.0 million during 2017 and $1.7 million during 2018.

In February 2017, Richard A. Costello paid a $110,000 deposit to Centre Living Homes, LLC on a townhome he expects to purchase for a value of approximately $525,000. In accordance with the Company's employee discount policy, the contract price results in a 13% margin.

In February 2017, Jed Dolson paid a $110,000 deposit to Centre Living Homes, LLC on a townhome he expects to purchase for a value of approximately $475,000. In accordance with the Company's employee discount policy, the contract price results in a 13% margin.