Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 85,731	$ 66,961
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	5,848	3,730
Excess income tax benefit from equity-based compensation	(23,727)	(4,709)
Equity-based compensation expense	18,652	33,173
Contract land deposit recoveries	(3,987)	(1,160)
Gain on sale of loans	(28,159)	(21,569)
Mortgage loans closed	(1,032,029)	(880,315)
Proceeds from sales of mortgage loans	1,062,075	1,001,691
Principal payments on mortgage loans held for sale	943	1,612
Distribution of earnings from unconsolidated joint ventures	1,334	805
Net change in assets and liabilities:
Increase in inventory	(256,541)	(164,327)
Increase in contract land deposits	(12,204)	(22,770)
Increase in receivables	(5,595)	(3,005)
Increase in accounts payable, accrued expenses and customer deposits	106,719	70,547
Other, net	(9,574)	(8,273)
Net cash (used in) provided by operating activities	(90,514)	72,391
Cash flows from investing activities:
Investments in and advances to unconsolidated joint ventures	(11,000)	(1,000)
Distribution of capital from unconsolidated joint ventures	2,124	4,421
Purchase of property, plant and equipment	(8,088)	(5,999)
Proceeds from the sale of property, plant and equipment	257	263
Net cash used in investing activities	(16,707)	(2,315)
Cash flows from financing activities:
Purchases of treasury stock	(294,979)
Net repayments under note payable and credit lines	(311)	(565)
Repayments under non-recourse debt related to consolidated variable interest entity	(2,970)	(4,375)
Borrowings under non-recourse debt related to consolidated variable interest entity		442
Excess income tax benefit from equity-based compensation	23,727	4,709
Proceeds from the exercise of stock options	6,671	42,182
Net cash (used in) provided by financing activities	(267,862)	42,393
Net (decrease) increase in cash and cash equivalents	(375,083)	112,469
Cash and cash equivalents, beginning of the period	1,153,507	480,794
Cash and cash equivalents, end of the period	778,424	593,263
Supplemental disclosures of cash flow information:
Interest paid during the period, net of interest capitalized	12,607	587
Income taxes paid during the period, net of refunds	$ 12,946	$ 15,041