Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net income	$ 65,303	$ 39,058
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	5,447	5,281
Excess income tax benefit from equity-based compensation	(6,284)	(7,998)
Equity-based compensation expense	10,549	13,399
Contract land deposit (recoveries) impairments, net	(1,303)	33
Gain on sale of loans, net	(17,022)	(11,238)
Mortgage loans closed	(688,361)	(545,325)
Mortgage loans sold and principal payments on mortgage loans held for sale	839,297	606,932
Distribution of earnings from unconsolidated joint ventures	3,521	5,846
Net change in assets and liabilities:
Increase in inventory	(254,639)	(84,212)
Increase in contract land deposits	(2,353)	(478)
(Increase) decrease in receivables	(4,022)	223
Decrease in accounts payable and accrued expenses	(1,382)	(31,982)
Increase in customer deposits	15,587	19,210
Other, net	(10,615)	(10,352)
Net cash used in operating activities	(46,277)	(1,603)
Cash flows from investing activities:
Investments in and advances to unconsolidated joint ventures	(138)	(863)
Distribution of capital from unconsolidated joint ventures	4,017	6,154
Purchase of property, plant and equipment	(5,431)	(4,893)
Proceeds from the sale of property, plant and equipment	199	138
Net cash (used in) provided by investing activities	(1,353)	536
Cash flows from financing activities:
Purchase of treasury stock	(87,101)	(63,099)
Repayments under non-recourse debt related to consolidated variable interest entity and note payable		(64)
Distributions to partner in consolidated variable interest entity	(150)	(300)
Excess income tax benefit from equity-based compensation	6,284	7,998
Proceeds from the exercise of stock options	22,263	43,626
Net cash used in financing activities	(58,704)	(11,839)
Net decrease in cash and cash equivalents	(106,334)	(12,906)
Cash and cash equivalents, beginning of the period	425,316	545,419
Cash and cash equivalents, end of the period	318,982	532,513
Supplemental disclosures of cash flow information:
Interest paid during the period, net of interest capitalized	10,837	12,039
Income taxes paid during the period, net of refunds	$ 16,516	$ 14,458