Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 248,923	$ 182,179
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	16,182	12,583
Excess income tax benefit from equity-based compensation	(14,465)	(6,786)
Equity-based compensation expense	39,874	44,874
Contract land deposit recoveries	(9,925)	(4,108)
Gain on sale of loans	(48,243)	(32,621)
Mortgage loans closed	(2,163,472)	(1,714,682)
Mortgage loans sold and principal payments on mortgage loans held for sale	2,153,721	1,761,410
Distribution of earnings from unconsolidated joint ventures	13,069	4,790
Net change in assets and liabilities:
Increase in inventory	(289,754)	(272,457)
Increase in contract land deposits	(13,987)	(42,586)
Decrease (increase) in receivables	12	(1,755)
Increase in accounts payable and accrued expenses	78,935	22,224
Increase in customer deposits	25,317	18,401
Other, net	(20,605)	(13,327)
Net cash provided by (used in) operating activities	15,582	(41,861)
Cash flows from investing activities:
Investments in and advances to unconsolidated joint ventures	(1,552)
Distribution of capital from unconsolidated joint ventures	13,931	8,710
Purchase of property, plant and equipment	(13,468)	(27,324)
Proceeds from the sale of property, plant and equipment	476	626
Net cash used in investing activities	(613)	(17,988)
Cash flows from financing activities:
Purchase of treasury stock	(263,446)	(409,436)
Repayments under non-recourse debt related to consolidated variable interest entity and note payable	(64)	(2,819)
Distributions to partner in consolidated variable interest entity	(300)	(281)
Excess income tax benefit from equity-based compensation	14,465	6,786
Proceeds from the exercise of stock options	76,419	65,639
Net cash used in financing activities	(172,926)	(340,111)
Net decrease in cash and cash equivalents	(157,957)	(399,960)
Cash and cash equivalents, beginning of the period	545,419	866,253
Cash and cash equivalents, end of the period	387,462	466,293
Supplemental disclosures of cash flow information:
Interest paid during the period, net of interest capitalized	24,313	24,252
Income taxes paid during the period, net of refunds	$ 123,841	$ 121,772