Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
ASSETS
Cash and cash equivalents	$ 142,426		$ 141,543
Restricted cash	33,018		18,153
Receivables	40,263		13,858
Total inventory	2,100,095		1,937,732
Investments in unconsolidated entities	85,386		60,582
Right-of-use assets - operating leases	7,837		7,242
Property and equipment, net	5,872		6,551
Earnest money deposits	13,736		13,629
Deferred income tax assets, net	13,984		13,984
Intangible assets, net	218		282
Goodwill	680		680
Other assets	37,860		35,758
Total assets	2,481,375		2,249,994
Liabilities [Abstract]
Accounts payable	91,270		59,746
Accrued expenses	127,523		110,068
Customer and builder deposits	35,179		37,068
Lease liabilities - operating leases	8,966		8,343
Line of Credit, Current, After Adjustments	62,753		22,645
Senior unsecured notes, net	261,877		299,090
Notes payable	14,871		14,871
Total liabilities	602,439		551,831
Commitments and contingencies
Redeemable noncontrolling interest in equity of consolidated subsidiary	$ 47,302		$ 44,709
Preferred stock, shares issued (in shares)	2,000		2,000
Preferred stock, par value (in dollars per share)	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000
Preferred stock, shares outstanding (in shares)	2,000	2,000	2,000	2,000	2,000	2,000
Green Brick Partners, Inc. stockholders’ equity
Preferred stock, $0.01 par value: 5,000,000 shares authorized; 2,000 issued and outstanding as of September 30, 2025 and December 31, 2024, respectively	$ 47,603	$ 47,603	$ 47,603	$ 47,603	$ 47,603	$ 47,603
Shares, Outstanding	43,565,098		44,498,097
Common stock, shares authorized (in shares)	100,000,000
Common stock, par value (in dollars per share)	$ 0.01
Common Stock, Value, Issued	$ 436	436	$ 445	445	449	450
Treasury Stock, Value	0		0	0	(17,192)	0
Additional paid-in capital	245,661	244,006	244,653	243,199	246,863	255,614
Retained earnings	1,510,462	1,433,328	1,332,714	1,229,490	1,161,512	997,037
Total Green Brick Partners, Inc. stockholders’ equity	1,804,162	1,725,373	1,625,415	1,520,737	1,439,235	1,300,704
Noncontrolling interests	27,472	23,562	28,039	24,305	24,518	17,309
Total equity	1,831,634	$ 1,748,935	1,653,454	$ 1,545,042	$ 1,463,753	$ 1,318,013
Total liabilities and equity	2,481,375		2,249,994
Inventory owned	1,931,799		1,771,203
Consolidated inventory related to VIE	$ 168,296		$ 166,529