Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Redeemable Noncontrolling Interest, Equity, Carrying Amount	$ 8,531	$ 0
ASSETS
Cash	38,315	36,684
Restricted cash	3,440	3,605
Receivables	4,842	1,605
Inventory	668,961	496,054
Equity Method Investments	20,269	16,878
Property and equipment, net	4,690	804
Earnest money deposits	16,793	18,393
Deferred income tax assets, net	16,499	31,211
Intangible Assets, Net (Excluding Goodwill)	856	0
Goodwill	680	0
Other assets	8,681	5,769
Total assets	784,026	611,003
LIABILITIES AND EQUITY
Accounts payable	26,091	22,354
Accrued expenses	29,201	18,465
Customer and builder deposits	31,978	21,447
Borrowings on lines of credit, net	200,386	105,773
Notes payable	0	9,926
Business Combination, Contingent Consideration, Liability	2,207	0
Total liabilities	289,863	177,965
Preferred Stock, Value, Issued	0	0
Equity
Common shares, $0.01 par value: 100,000,000 shares authorized; 50,719,884 and 50,598,901 issued as of December 31, 2018 and 2017, respectively; 50,583,128 and 50,598,901 outstanding as of December 31, 2018 and 2017, respectively	507	506
Treasury stock at cost, 136,756 shares	(981)	0
Additional Paid in Capital	291,299	289,938
Retained earnings	177,526	125,903
Total Green Brick Partners, Inc. stockholders’ equity	468,351	416,347
Noncontrolling interests	17,281	16,691
Total equity	485,632	433,038
Total liabilities and equity	$ 784,026	$ 611,003