Supplemental Guarantor Information Supplemental Guarantor Information - Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	$ (33,961)	$ (46,995)	$ (33,961)	$ (37,302)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Change in restricted cash	(2,566)	32,779	(2,566)	(19,585)
Purchase of property and equipment	(1,352)	(933)	(1,352)	(1,560)
Acquisition, net of cash acquired	(4,654)	(4,707)	(4,654)	0
Proceeds from the sale of property	0
Investment in Unconsolidated LLCs		(1,817)	(752)	(1,229)
Distributions from Unconsolidated LLCs	752			(13)
Net cash provided by investing activities	(9,324)	25,322	(9,324)	(22,361)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes, including transaction costs		(41,443)	0	(166,088)
Repayment of senior notes		(41,443)
Proceeds (repayments) from bank borrowings - net	20,409	15,351	20,409	8,055
Principal proceeds from note payable - other and community development district bond obligations	(52)	5,304	(52)	(325)
Proceeds from issuance of senior notes		29,700		197,174
Proceeds from issuance of convertible senior subordinated notes		57,500	0	0
Net proceeds from issuance of common shares		42,085	0	0
Intercompany financing	0	0		0
Debt issue costs	(220)	(5,881)	(220)	(7,874)
Proceeds from exercise of stock options	1,500	4,762	1,500	12
Excess tax deficiency from stock-based payment arrangements	233	0	233	(13)
Net cash provided by financing activities	21,870	107,378	21,870	30,941
Net (decrease) increase in cash and cash equivalents	(21,415)	85,705	(21,415)	(28,722)
Cash and cash equivalents balance at beginning of period	81,208	59,793	81,208	109,930
Cash and cash equivalents balance at end of period	59,793	145,498	59,793	81,208
Parent [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	0	0		0
Net Cash Provided by (Used in) Investing Activities [Abstract]
Change in restricted cash	0	0		0
Purchase of property and equipment	0	0		0
Acquisition, net of cash acquired	0	0
Proceeds from the sale of property	0
Investment in Unconsolidated LLCs		0		0
Distributions from Unconsolidated LLCs	0			0
Net cash provided by investing activities	0	0		0
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes, including transaction costs				(166,088)
Repayment of senior notes		(41,443)
Proceeds (repayments) from bank borrowings - net	0	0		0
Principal proceeds from note payable - other and community development district bond obligations	0	0		0
Proceeds from issuance of senior notes		29,700		197,174
Proceeds from issuance of convertible senior subordinated notes		57,500
Net proceeds from issuance of common shares		42,085
Intercompany financing	(1,733)	(92,604)		(23,517)
Debt issue costs	0	0		(7,568)
Proceeds from exercise of stock options	1,500	4,762		12
Excess tax deficiency from stock-based payment arrangements	233			(13)
Net cash provided by financing activities	0	0		0
Net (decrease) increase in cash and cash equivalents	0	0		0
Cash and cash equivalents balance at beginning of period	0	0	0	0
Cash and cash equivalents balance at end of period	0	0		0
Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	(27,734)	(35,770)		(33,806)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Change in restricted cash	(2,566)	32,779		(19,585)
Purchase of property and equipment	(1,314)	(854)		(1,480)
Acquisition, net of cash acquired	(4,654)	(4,707)
Proceeds from the sale of property	0
Investment in Unconsolidated LLCs		0		0
Distributions from Unconsolidated LLCs	0			0
Net cash provided by investing activities	(8,534)	27,218		(21,065)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes, including transaction costs				0
Repayment of senior notes		0
Proceeds (repayments) from bank borrowings - net	0	0		0
Principal proceeds from note payable - other and community development district bond obligations	(52)	5,304		(325)
Proceeds from issuance of senior notes		0		0
Proceeds from issuance of convertible senior subordinated notes		0
Net proceeds from issuance of common shares		0
Intercompany financing	8,135	91,856		30,606
Debt issue costs	(150)	(5,813)		0
Proceeds from exercise of stock options	0	0		0
Excess tax deficiency from stock-based payment arrangements	0			0
Net cash provided by financing activities	7,933	91,347		30,281
Net (decrease) increase in cash and cash equivalents	(28,335)	82,795		(24,590)
Cash and cash equivalents balance at beginning of period	71,874	43,539	71,874	96,464
Cash and cash equivalents balance at end of period	43,539	126,334		71,874
Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	(6,227)	(11,225)		(3,496)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Change in restricted cash	0	0		0
Purchase of property and equipment	(38)	(79)		(80)
Acquisition, net of cash acquired	0	0
Proceeds from the sale of property	0
Investment in Unconsolidated LLCs		(1,817)		(1,229)
Distributions from Unconsolidated LLCs	752			(13)
Net cash provided by investing activities	(790)	(1,896)		(1,296)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes, including transaction costs				0
Repayment of senior notes		0
Proceeds (repayments) from bank borrowings - net	20,409	15,351		8,055
Principal proceeds from note payable - other and community development district bond obligations	0	0		0
Proceeds from issuance of senior notes		0		0
Proceeds from issuance of convertible senior subordinated notes		0
Net proceeds from issuance of common shares		0
Intercompany financing	(6,402)	748		(7,089)
Debt issue costs	(70)	(68)		(306)
Proceeds from exercise of stock options	0	0		0
Excess tax deficiency from stock-based payment arrangements	0			0
Net cash provided by financing activities	13,937	16,031		660
Net (decrease) increase in cash and cash equivalents	6,920	2,910		(4,132)
Cash and cash equivalents balance at beginning of period	9,334	16,254	9,334	13,466
Cash and cash equivalents balance at end of period	16,254	19,164		9,334
Corporate Elimination [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	0	0		0
Net Cash Provided by (Used in) Investing Activities [Abstract]
Change in restricted cash	0	0		0
Purchase of property and equipment	0	0		0
Acquisition, net of cash acquired	0	0
Proceeds from the sale of property	0
Investment in Unconsolidated LLCs		0		0
Distributions from Unconsolidated LLCs	0			0
Net cash provided by investing activities	0	0		0
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes, including transaction costs				0
Repayment of senior notes		0
Proceeds (repayments) from bank borrowings - net	0	0		0
Principal proceeds from note payable - other and community development district bond obligations	0	0		0
Proceeds from issuance of senior notes		0		0
Proceeds from issuance of convertible senior subordinated notes		0
Net proceeds from issuance of common shares		0
Intercompany financing	0	0		0
Debt issue costs	0	0		0
Proceeds from exercise of stock options	0	0		0
Excess tax deficiency from stock-based payment arrangements	0			0
Net cash provided by financing activities	0	0		0
Net (decrease) increase in cash and cash equivalents	0	0		0
Cash and cash equivalents balance at beginning of period	0	0	0	0
Cash and cash equivalents balance at end of period	$ 0	$ 0		$ 0