Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 274,371	$ 248,923
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	16,591	16,182
Excess income tax benefit from equity-based compensation	(10,949)	(14,465)
Equity-based compensation expense	32,459	39,874
Contract land deposit recoveries, net	(1,427)	(9,925)
Gain on sale of loans, net	(59,386)	(48,243)
Mortgage loans closed	(2,542,659)	(2,163,472)
Mortgage loans sold and principal payments on mortgage loans held for sale	2,633,539	2,153,721
Distribution of earnings from unconsolidated joint ventures	8,026	13,069
Net change in assets and liabilities:
Increase in inventory	(309,824)	(289,754)
Increase in contract land deposits	(32,774)	(13,987)
(Increase) decrease in receivables	(2,913)	12
Increase in accounts payable and accrued expenses	59,736	78,935
Increase in customer deposits	33,732	25,317
Other, net	(7,034)	(20,605)
Net cash provided by operating activities	91,488	15,582
Cash flows from investing activities:
Investments in and advances to unconsolidated joint ventures	(653)	(1,552)
Distribution of capital from unconsolidated joint ventures	9,162	13,931
Purchase of property, plant and equipment	(16,513)	(13,468)
Proceeds from the sale of property, plant and equipment	701	476
Net cash used in investing activities	(7,303)	(613)
Cash flows from financing activities:
Purchase of treasury stock	(291,743)	(263,446)
Repayments under non-recourse debt related to consolidated variable interest entity and note payable		(64)
Distributions to partner in consolidated variable interest entity	(217)	(300)
Excess income tax benefit from equity-based compensation	10,949	14,465
Proceeds from the exercise of stock options	33,938	76,419
Net cash used in financing activities	(247,073)	(172,926)
Net decrease in cash and cash equivalents	(162,888)	(157,957)
Cash and cash equivalents, beginning of the period	425,316	545,419
Cash and cash equivalents, end of the period	262,428	387,462
Supplemental disclosures of cash flow information:
Interest paid during the period, net of interest capitalized	20,899	24,313
Income taxes paid during the period, net of refunds	$ 148,117	$ 123,841