Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 1,591,611	$ 1,725,575	$ 1,236,719
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	16,916	17,396	19,463
Equity-based compensation expense	99,507	82,537	58,234
Contract land deposit (recoveries) impairments and other impairments, net	(2,908)	28,466	(20,827)
Gain on sale of loans, net	(163,322)	(152,668)	(205,582)
Deferred tax benefit	(3,743)	(11,101)	(234)
Mortgage loans closed	(5,740,199)	(6,314,514)	(6,079,454)
Mortgage loans sold and principal payments on mortgage loans held for sale	5,949,657	6,471,270	6,424,204
Distribution of earnings from unconsolidated joint ventures	2,000	9,000	9,500
Net change in assets and liabilities:
(Increase) decrease in inventory	(161,875)	159,091	(238,284)
Increase in contract land deposits	(77,563)	(26,407)	(87,374)
(Increase) decrease in receivables	(59,653)	(27,384)	1,956
Increase (decrease) in accounts payable and accrued expenses	49,105	(13,777)	(19,954)
Increase (Decrease) in Contract with Customer, Liability	20,637	(103,659)	176,705
Other, net	(22,177)	26,276	(32,679)
Operating activities	1,497,993	1,870,101	1,242,393
Net cash provided by operating activities	1,497,993	1,870,101	1,242,393
Cash flows from investing activities:
Investments in and advances to unconsolidated joint ventures	(1,776)	(9,735)	(1,282)
Distribution of capital from unconsolidated joint ventures	180	0	0
Purchase of property, plant and equipment	(24,877)	(18,428)	(17,875)
Proceeds from the sale of property, plant and equipment	2,373	732	978
Net Cash Provided by (Used in) Investing Activities	(24,100)	(27,431)	(18,179)
Cash flows from financing activities:
Purchase of treasury stock	(1,081,815)	(1,500,358)	(1,538,019)
Redemption of senior notes	0	(600,000)	0
Principal payments on finance lease liabilities	(1,661)	(1,495)	(1,363)
Proceeds from the exercise of stock options	250,509	196,717	142,370
Net cash used in financing activities	(832,967)	(1,905,136)	(1,397,012)
Net increase (decrease) in cash, restricted cash, and cash equivalents	640,926	(62,466)	(172,798)
Cash, restricted cash, and cash equivalents, beginning of the year	2,574,518	2,636,984	2,809,782
Cash, restricted cash, and cash equivalents, end of the year	3,215,444	2,574,518	2,636,984
Supplemental disclosures of cash flow information:
Interest paid during the year, net of interest capitalized	29,202	47,502	53,680
Income taxes paid during the year, net of refunds	$ 407,185	$ 529,820	$ 389,383