Related Party Transactions	9 Months Ended
Sep. 30, 2016
Related Party Transactions [Abstract]
Related Party Transactions	RELATED PARTY TRANSACTIONS During the three and nine months ended September 30, 2016 and 2015, the Company had related party transactions through the normal course of business. These transactions include the following: On October 27, 2014, in connection with the Transaction, the Company entered into the Loan Agreement, a guaranty and a pledge and security agreement with certain funds and accounts managed by Greenlight, our largest shareholder. Greenlight beneficially owns approximately 49.4% of the voting power of the Company. The Loan Agreement provided for a five year Term Loan Facility in an aggregate principal amount of $150.0 million which funded part of the Transaction. Certain subsidiaries of the Company guaranteed obligations under the Term Loan Facility pursuant to the guaranty. The Term Loan Facility bore interest at 9.0% per annum, payable quarterly, from October 27, 2014 through the first anniversary thereof and 10.0% per annum thereafter. On July 1, 2015 we used approximately $154.9 million of the net proceeds from the Equity Offering to repay all of the outstanding principal, interest and a prepayment premium under the Term Loan Facility. See Note 5 for further discussion of this repayment. 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 $0.3 million and $0.3 million as of September 30, 2016 and December 31, 2015, 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 is construction costs plus a 13% premium. As of September 30, 2016, the Company has incurred $28,111 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 agreement in place, the Company purchased $0.3 million in lots during the nine months ended September 30, 2016 and have another $1.0 million in lots that it is required to purchase during the fourth quarter of 2016. 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 $12.0 million, of which $9.6 million will be contributed by the Company. The total contributions paid in 2016 was $10.2 million, of which $8.2 million was paid by the Company. The Company has 80% ownership in GRBK Suwanee Station LLC and has consolidated the entity. During March 2016, the Company purchased undeveloped land for an eventual 73-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. 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 in contracting for the lots. The total paid for the lots in 2016 was $1.8 million. Under the option agreement in place, the total that would be expected to be paid for the remaining lots would be $1.8 million during 2017 and $1.7 million during 2018.

RELATED PARTY TRANSACTIONS

During the three and nine months ended September 30, 2016 and 2015, the Company had related party transactions through the normal course of business. These transactions include the following:

On October 27, 2014, in connection with the Transaction, the Company entered into the Loan Agreement, a guaranty and a pledge and security agreement with certain funds and accounts managed by Greenlight, our largest shareholder. Greenlight beneficially owns approximately 49.4% of the voting power of the Company. The Loan Agreement provided for a five year Term Loan Facility in an aggregate principal amount of $150.0 million which funded part of the Transaction. Certain subsidiaries of the Company guaranteed obligations under the Term Loan Facility pursuant to the guaranty. The Term Loan Facility bore interest at 9.0% per annum, payable quarterly, from October 27, 2014 through the first anniversary thereof and 10.0% per annum thereafter. On July 1, 2015 we used approximately $154.9 million of the net proceeds from the Equity Offering to repay all of the outstanding principal, interest and a prepayment premium under the Term Loan Facility. See Note 5 for further discussion of this repayment.

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 $0.3 million and $0.3 million as of September 30, 2016 and December 31, 2015, 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 is construction costs plus a 13% premium. As of September 30, 2016, the Company has incurred $28,111 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 agreement in place, the Company purchased $0.3 million in lots during the nine months ended September 30, 2016 and have another $1.0 million in lots that it is required to purchase during the fourth quarter of 2016.

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 $12.0 million, of which $9.6 million will be contributed by the Company. The total contributions paid in 2016 was $10.2 million, of which $8.2 million was paid by the Company. The Company has 80% ownership in GRBK Suwanee Station LLC and has consolidated the entity.

During March 2016, the Company purchased undeveloped land for an eventual 73-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. 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 in contracting for the lots. The total paid for the lots in 2016 was $1.8 million. Under the option agreement in place, the total that would be expected to be paid for the remaining lots would be $1.8 million during 2017 and $1.7 million during 2018.