Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 1,181,536	$ 1,270,807
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	12,585	13,237
Equity-based compensation expense	73,488	58,441
Contract land deposit (recoveries) impairments, net	(6,217)	2,482
Gain on sale of loans, net	(127,898)	(120,035)
Mortgage loans closed	(4,243,040)	(4,791,742)
Mortgage loans sold and principal payments on mortgage loans held for sale	4,347,960	4,925,431
Net change in assets and liabilities:
Increase in inventory	(215,498)	(223,083)
Increase in contract land deposits	(27,873)	(26,915)
Increase in receivables	(17,628)	(69,132)
(Decrease) increase in accounts payable and accrued expenses	(5,669)	42,087
Increase (decrease) in customer deposits	41,507	(41,303)
Other, net	(12,966)	5,131
Net Cash Provided by (Used in) Operating Activities	1,002,287	1,052,906
Cash flows from investing activities:
Investments in and advances to unconsolidated joint ventures	(1,224)	(9,222)
Distribution of capital from unconsolidated joint ventures	180	0
Purchase of property, plant and equipment	(18,531)	(11,972)
Proceeds from the sale of property, plant and equipment	2,221	553
Net Cash Provided by (Used in) Investing Activities	(17,354)	(20,641)
Cash flows from financing activities:
Purchase of treasury stock	(795,387)	(1,384,193)
Repayments of Senior Debt	0	(600,000)
Principal payments on finance lease liabilities	(1,233)	(1,107)
Proceeds from the exercise of stock options	207,163	137,406
Net Cash Provided by (Used in) Financing Activities	(589,457)	(1,847,894)
Net increase (decrease) in cash, restricted cash, and cash equivalents	395,476	(815,629)
Cash, restricted cash, and cash equivalents, beginning of the period	2,574,518	2,636,984
Cash, restricted cash, and cash equivalents, end of the period	2,969,994	1,821,355
Supplemental disclosures of cash flow information:
Interest paid during the period, net of interest capitalized	15,285	33,475
Income taxes paid during the period, net of refunds	312,631	403,875
Distribution of earnings from unconsolidated joint ventures	$ 2,000	$ 7,500