Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows From Operating Activities:
Net income	$ 82,620	$ 72,661
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
(Income) loss from unconsolidated joint ventures	(3,888)	(1,189)
Depreciation and amortization	12,716	12,032
Amortization of stock-based compensation	4,294	3,786
Deferred income tax provision	5,483	2,203
Other operating activities	2,910	271
Changes in cash and equivalents due to:
Mortgage loans held for sale	104,225	138,433
Inventories - owned	(47,350)	(186,680)
Inventories - not owned	(9,428)	(8,237)
Other assets	(9,895)	5,599
Accounts payable	(41,235)	(22,045)
Accrued liabilities	(8,694)	(44,456)
Net cash provided by (used in) operating activities	91,758	(27,622)
Cash Flows From Investing Activities:
Investments in unconsolidated homebuilding joint ventures	(18,909)	(4,191)
Distributions of capital from unconsolidated homebuilding joint ventures	6,471	99
Other investing activities	(1,921)	1,142
Net cash provided by (used in) investing activities	(14,359)	(2,950)
Cash Flows From Financing Activities:
Change in restricted cash	(1,517)	1,267
Borrowings from revolving credit facility	109,550	386,400
Principal payments on revolving credit facility	(109,550)	(120,400)
Principal payments on secured project debt and other notes payable	(179)	(1,781)
Net proceeds from (payments on) mortgage credit facility	(92,960)	(138,479)
Repurchases of common stock		(87,050)
Common stock dividend payments	(4,584)	(4,792)
Issuance of common stock under employee stock plans, net of tax withholdings	(4,167)	2,055
Other financing activities	(126)	(23)
Net cash provided by (used in) financing activities	(103,533)	37,197
Net increase (decrease) in cash and equivalents	(26,134)	6,625
Cash and equivalents at beginning of period	208,127	186,594
Cash and equivalents at end of period	181,993	193,219
Cash and Cash Equivalents, at Carrying Value	$ 208,127	$ 186,594