Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities:
Net income	$ 80,700	$ 148,421
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Stock-based compensation expense	5,498	14,882
Depreciation and amortization	5,500	6,652
Inventory impairments	7,800	660
Project abandonment costs	(1,048)	1,434
Amortization of discount of marketable debt securities	(8,472)	0
Deferred income tax benefit	2,617	842
Net changes in assets and liabilities:
Trade and other receivables	55,868	(16,677)
Mortgage loans held-for-sale, net	63,261	94,615
Prepaids and other assets	3,470	(20,479)
Accounts payable and accrued and other liabilities	(40,485)	57,571
Net cash provided by operating activities	426,164	118,055
Investing Activities:
Purchases of marketable securities	(434,374)	0
Maturities of marketable securities	195,000	0
Purchases of property and equipment	(5,386)	(6,884)
Net cash used in investing activities	(244,760)	(6,884)
Financing Activities:
Payments on mortgage repurchase facility, net	(45,225)	(78,069)
Dividend payments	(36,543)	(35,583)
Issuance of shares under stock-based compensation programs, net	(11,740)	(12,628)
Net cash used in financing activities	(93,508)	(126,280)
Net increase (decrease) in cash, cash equivalents and restricted cash	87,896	(15,109)
Cash, cash equivalents and restricted cash:
Beginning of period	717,095	603,459
End of period	804,991	588,350
Reconciliation of cash, cash equivalents and restricted cash:
Total cash, cash equivalents and restricted cash	804,991	588,350
Homebuilding:
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Inventory impairments	7,800	660
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	781,738	474,447
Restricted cash	2,268	6,400
Financial Services:
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	20,985	107,503
Housing completed or under construction
Net changes in assets and liabilities:
Housing completed or under construction and land under development	135,581	(277,187)
Land and land under development
Net changes in assets and liabilities:
Housing completed or under construction and land under development	$ 115,874	$ 107,321