OPERATING AND REPORTING SEGMENTS - Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	$ 8,168,136	$ 7,417,831	$ 8,224,917
Total cost of revenue	6,183,924	5,634,758	6,132,551
Gross Profit	1,984,212	1,783,073	2,092,366
Sales, commissions and other marketing costs	(456,092)	(418,134)	(398,074)
General and administrative expenses	(314,406)	(280,573)	(245,138)
Net (loss)/income from unconsolidated entities	6,347	8,757	(14,184)
Interest and other expense, net	(63,943)	(74,990)	(56,171)
Gain on extinguishment of debt	0	(295)	13,876
Income before income taxes	1,156,118	1,017,838	1,392,675
Home closings revenue, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	7,755,219	7,158,857	7,889,371
Total cost of revenue	5,863,743	5,451,401	5,904,458
Gross Profit	1,891,476	1,707,456	1,984,913
Other Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	412,917	258,974	335,546
Other Cost Of Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total cost of revenue	320,181	183,357	228,093
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	8,059,707	7,404,656	8,128,833
Total cost of revenue	6,071,333	5,624,767	6,074,129
Gross Profit	1,988,374	1,779,889	2,054,704
Sales, commissions and other marketing costs	(448,176)	(411,379)	(382,769)
General and administrative expenses	(128,903)	(111,580)	(102,983)
Net (loss)/income from unconsolidated entities	8,836	8,833	(13,229)
Interest and other expense, net	(21,392)	(76,832)	(40,970)
Gain on extinguishment of debt		0	0
Income before income taxes	1,398,739	1,188,931	1,514,753
Operating Segments | Home closings revenue, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	7,755,219	7,158,857	7,889,371
Total cost of revenue	5,863,743	5,451,401	5,904,458
Gross Profit	1,891,476	1,707,456	1,984,913
Operating Segments | Other Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	304,488	245,799	239,462
Operating Segments | Other Cost Of Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total cost of revenue	207,590	173,366	169,671
Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	108,429	13,175	96,084
Total cost of revenue	112,591	9,991	58,422
Gross Profit	(4,162)	3,184	37,662
Sales, commissions and other marketing costs	(7,916)	(6,755)	(15,305)
General and administrative expenses	(185,503)	(168,993)	(142,155)
Net (loss)/income from unconsolidated entities	(2,489)	(76)	(955)
Interest and other expense, net	(42,551)	1,842	(15,201)
Gain on extinguishment of debt		(295)	13,876
Income before income taxes	(242,621)	(171,093)	(122,078)
Segment Reporting, Reconciling Item, Corporate Nonsegment | Home closings revenue, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	0	0	0
Total cost of revenue	0	0	0
Gross Profit	0	0	0
Segment Reporting, Reconciling Item, Corporate Nonsegment | Other Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	108,429	13,175	96,084
Segment Reporting, Reconciling Item, Corporate Nonsegment | Other Cost Of Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total cost of revenue	112,591	9,991	58,422
East | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	2,879,536	2,674,630	2,739,759
Total cost of revenue	2,108,822	1,953,311	2,021,536
Gross Profit	770,714	721,319	718,223
Sales, commissions and other marketing costs	(169,270)	(145,943)	(141,729)
General and administrative expenses	(47,888)	(39,381)	(38,448)
Net (loss)/income from unconsolidated entities	0	0	0
Interest and other expense, net	(771)	(73,205)	(6,725)
Gain on extinguishment of debt		0	0
Income before income taxes	552,785	462,790	531,321
East | Operating Segments | Home closings revenue, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	2,826,628	2,619,322	2,673,951
Total cost of revenue	2,065,218	1,900,833	1,963,177
Gross Profit	761,410	718,489	710,774
East | Operating Segments | Other Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	52,908	55,308	65,808
East | Operating Segments | Other Cost Of Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total cost of revenue	43,604	52,478	58,359
Central | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	1,993,895	1,964,265	2,024,730
Total cost of revenue	1,506,793	1,468,336	1,531,724
Gross Profit	487,102	495,929	493,006
Sales, commissions and other marketing costs	(131,997)	(128,914)	(112,701)
General and administrative expenses	(34,501)	(29,893)	(25,123)
Net (loss)/income from unconsolidated entities	(51)	(98)	(55)
Interest and other expense, net	(16,087)	(7,608)	(10,364)
Gain on extinguishment of debt		0	0
Income before income taxes	304,466	329,416	344,763
Central | Operating Segments | Home closings revenue, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	1,969,381	1,935,500	2,014,869
Total cost of revenue	1,485,968	1,443,490	1,522,353
Gross Profit	483,413	492,010	492,516
Central | Operating Segments | Other Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	24,514	28,765	9,861
Central | Operating Segments | Other Cost Of Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total cost of revenue	20,825	24,846	9,371
West | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	2,986,817	2,605,449	3,228,853
Total cost of revenue	2,347,126	2,109,131	2,436,909
Gross Profit	639,691	496,318	791,944
Sales, commissions and other marketing costs	(146,909)	(136,522)	(128,339)
General and administrative expenses	(46,514)	(42,306)	(39,412)
Net (loss)/income from unconsolidated entities	(28)	(217)	(18,445)
Interest and other expense, net	(6,646)	3,981	(23,881)
Gain on extinguishment of debt		0	0
Income before income taxes	439,594	321,254	581,867
West | Operating Segments | Home closings revenue, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	2,959,210	2,604,035	3,200,551
Total cost of revenue	2,312,557	2,107,078	2,418,928
Gross Profit	646,653	496,957	781,623
West | Operating Segments | Other Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	27,607	1,414	28,302
West | Operating Segments | Other Cost Of Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total cost of revenue	34,569	2,053	17,981
Financial Services | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	199,459	160,312	135,491
Total cost of revenue	108,592	93,989	83,960
Gross Profit	90,867	66,323	51,531
Sales, commissions and other marketing costs	0	0	0
General and administrative expenses	0	0	0
Net (loss)/income from unconsolidated entities	8,915	9,148	5,271
Interest and other expense, net	2,112	0	0
Gain on extinguishment of debt		0	0
Income before income taxes	101,894	75,471	56,802
Financial Services | Operating Segments | Home closings revenue, net
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	0	0	0
Total cost of revenue	0	0	0
Gross Profit	0	0	0
Financial Services | Operating Segments | Other Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total revenue	199,459	160,312	135,491
Financial Services | Operating Segments | Other Cost Of Revenue
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total cost of revenue	$ 108,592	$ 93,989	$ 83,960