Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income	$ 570,057	$ 339,778
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	10,038	11,254
Equity-based compensation expense	27,850	21,926
Contract land deposit and other (recoveries) impairments, net	(13,355)	37,453
Gain on sale of loans, net	(115,152)	(41,574)
Mortgage loans closed	(2,981,630)	(2,280,199)
Mortgage loans sold and principal payments on mortgage loans held for sale	3,194,279	2,491,119
Distribution of earnings from unconsolidated joint ventures	5,500	0
Net change in assets and liabilities:
Increase in inventory	(264,291)	(255,852)
(Increase) decrease in contract land deposits	(24,318)	16,020
Increase in receivables	(4,327)	(2,825)
Increase in accounts payable and accrued expenses	7,943	26,512
Increase in customer deposits	124,685	26,130
Other, net	(16,259)	(19,073)
Net Cash Provided by (Used in) Operating Activities	521,020	370,669
Cash flows from investing activities:
Investments in and advances to unconsolidated joint ventures	(659)	(38)
Purchase of property, plant and equipment	(6,620)	(8,217)
Proceeds from the sale of property, plant and equipment	657	449
Net Cash Provided by (Used in) Investing Activities	(6,622)	(7,806)
Cash flows from financing activities:
Purchase of treasury stock	(754,366)	(216,582)
Proceeds from senior notes	0	598,860
Debt issuance costs	0	(3,582)
Principal payments on finance lease liabilities	(661)	(412)
Proceeds from the exercise of stock options	95,673	126,046
Net Cash Provided by (Used in) Financing Activities	(659,354)	504,330
Net (decrease) increase in cash, restricted cash, and cash equivalents	(144,956)	867,193
Cash, restricted cash, and cash equivalents, beginning of the period	2,809,782	1,160,804
Cash, restricted cash, and cash equivalents, end of the period	2,664,826	2,027,997
Supplemental disclosures of cash flow information:
Interest paid during the period, net of interest capitalized	26,875	12,593
Income taxes paid during the period, net of refunds	$ 172,563	$ 11,740