Investment in Unconsolidated Entities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Apr. 26, 2018	Aug. 15, 2017
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	$ 60,582	$ 84,654
Revenues	2,098,943	1,777,710	$ 1,757,793
Net income	417,155	306,675	313,997
Cash	141,543	179,756
Assets	2,249,994	1,902,832
Liabilities	551,831	548,684
Stockholders' Equity Attributable to Parent	1,625,415	1,300,704
Stockholders' Equity Attributable to Noncontrolling Interest	28,039	17,309
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,653,454	1,318,013	1,082,815	$ 888,694
Liabilities and Equity	2,249,994	1,902,832
Income (Loss) from Equity Method Investments	5,083	16,742	25,626
Guarantor Obligations, Maximum Exposure, Undiscounted	22,500
Payments to Acquire Equity Method Investments	31,757	5,547	4,465
Goodwill	680	680			$ 700
Challenger [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	0	52,666
Income (Loss) from Equity Method Investments	929	10,921	20,921
Equity Method Investment, Ownership Percentage						49.90%
EJB River Holdings, LLC [Member]
Equity Method Investments and Joint Ventures [Abstract]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	12,300
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	12,288	10,867
Income (Loss) from Equity Method Investments	$ 2,421	2,812	2,424
Equity Method Investment, Ownership Percentage	50.00%
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	$ 12,300
BHome Mortgage [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	670	1,255
Income (Loss) from Equity Method Investments	$ 1,733	3,009	1,548
Equity Method Investment, Ownership Percentage	49.00%
Green Brick Mortgage, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	$ 18,633	0
GBTM Sendera [Member]
Equity Method Investments and Joint Ventures [Abstract]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	22,000
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	$ 21,985	19,866
Equity Method Investment, Ownership Percentage	50.00%
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	$ 22,000
TMGB Magnolia Ridge
Schedule of Equity Method Investments [Line Items]
Equity Method Investments	7,006
Equity Method Investment, Nonconsolidated Investee, Other
Schedule of Equity Method Investments [Line Items]
Revenues	49,124	270,322	301,818
Costs and Expenses	38,875	236,038	250,240
Net income	10,249	34,284	$ 51,578
Cash	7,334	23,549
Accounts and Other Receivables, Net, Current	488	4,207
Financing Receivable, after Allowance for Credit Loss	12,038	2,838
Financing Receivable, Held-for-Sale	0	7,452
Inventory, Net	111,771	182,550
Other Assets, Current	1,738	6,425
Assets	133,369	227,021
Accounts Payable, Current	6,280	7,151
Accrued Liabilities, Current	1,369	10,265
Notes Payable, Current	23,194	49,701
Liabilities	30,843	67,117
Stockholders' Equity Attributable to Parent	58,312	80,968
Stockholders' Equity Attributable to Noncontrolling Interest	44,214	78,936
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	102,526	159,904
Liabilities and Equity	133,369	227,021
EJB River Holdings, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Assets	25,100
Liabilities	500
GBTM Sendera [Member]
Schedule of Equity Method Investments [Line Items]
Assets	47,600
Liabilities	6,800
Contributions of LLC Members	$ 2,000	$ 5,000