Investment in Unconsolidated Entities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 80,210		$ 80,210		$ 74,224
Equity in income of unconsolidated entities	1,345	$ 5,697	11,265	$ 19,907
Total revenues	418,978	407,944	1,327,328	1,326,704
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Total revenues	66,782	65,620	199,852	221,650
Costs and Expenses	66,844	54,140	179,990	181,612
BHome Mortgage, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	1,096		1,096		1,147
Equity in income of unconsolidated entities	646	145	1,980	1,055
GB Challenger, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	49,186		49,186		49,897
Equity in income of unconsolidated entities	(71)	5,196		16,282
GBTM Sendera, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	19,530		19,530		14,319
EJB River Holdings, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	10,398		10,398		8,554
Equity in income of unconsolidated entities	770	203	1,844	1,587
Green Brick Mortgage, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	0		0		$ 307
Equity in income of unconsolidated entities		153		983
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated entities	$ 1,345	$ 5,697	$ 11,265	$ 19,907