Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Redeemable Noncontrolling Interest, Equity, Carrying Amount	$ 13,543	$ 13,611
Preferred Stock, Value, Issued	0	0
ASSETS
Cash and cash equivalents	19,479	33,269
Restricted Cash	14,156	4,416
Receivables	5,224	4,720
Inventory	844,635	753,567
Equity Method Investments	46,443	30,294
Operating Lease, Right-of-Use Asset	2,538	3,462
Property and equipment, net	3,595	4,309
Earnest money deposits	22,242	14,686
Deferred income tax assets, net	15,376	15,262
Intangible Assets, Net (Excluding Goodwill)	622	707
Goodwill	680	680
Other assets	13,857	10,167
Total assets	988,847	875,539
LIABILITIES AND EQUITY
Accounts payable	24,521	30,044
Accrued expenses	40,416	24,656
Contract with Customer, Liability, Revenue Recognized	38,131	23,954
Operating Lease, Liability	2,591	3,564
Borrowings on lines of credit, net	106,687	164,642
Senior Notes	111,056	73,406
Notes payable	2,125	0
Business Combination, Contingent Consideration, Liability	368	5,267
Total liabilities	325,895	325,533
Equity:
Common stock, $0.01 par value: 100,000,000 shares authorized; 51,053,858 and 50,879,949 issued and 50,661,919 and 50,488,010 outstanding as of December 31, 2020 and December 31, 2019, respectively	511	509
Treasury Stock, Common, Value	3,167	3,167
Additional Paid in Capital	293,242	290,799
Retained earnings	349,656	235,027
Total Green Brick Partners, Inc. stockholders’ equity	640,242	523,168
Noncontrolling interests	9,167	13,227
Total equity	649,409	536,395
Total liabilities and equity	988,847	875,539
Contract with Customer, Liability, Revenue Recognized	$ 38,131	$ 23,954