Investment in Unconsolidated Entities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated entities	$ 473	$ 2,592
Investments in unconsolidated entities	72,303		$ 60,582
Assets	2,273,267		2,249,994
Liabilities	515,259		551,831
Investment Company, Financial Support to Investee Contractually Required, Amount	11,900		12,000
Guaranty Liabilities	22,500
TPG
Schedule of Equity Method Investments [Line Items]
Assets	198,800		201,500
Liabilities	173,700		167,300
GBTM Sendera, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	21,985		21,985
EJB River Holdings, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	12,762		12,288
BHome Mortgage, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	669		670
Green Brick Mortgage, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities			18,633
Equity Method Investment Nonconsolidated Investees
Schedule of Equity Method Investments [Line Items]
Equity in income of unconsolidated entities	473	$ 2,592
Rainwater Crossing Single-Family, LLC
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	27,381
TMGB Magnolia Ridge
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 9,506		$ 7,006