Supplemental Guarantor Information Supplemental Guarantor Information - Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	$ (73,974)	$ (46,995)	$ (33,961)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Change in restricted cash	(5,185)	32,779	(2,566)
Purchase of property and equipment	(2,382)	(933)	(1,352)
Acquisition, net of cash acquired	0	(4,707)	4,654
Investment in unconsolidated joint ventures	(29,509)	(1,817)	(752)
Return of capital from unconsolidated joint ventures	1,522	0	0
Distributions from unconsolidated joint ventures			(752)
Net cash provided by (used in) investing activities	(35,554)	25,322	(9,324)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes		(41,443)
Proceeds from issuance of senior notes		29,700
Proceeds (repayments) from bank borrowings - net	12,072	15,351	20,409
Principal proceeds from note payable - other and community development district bond obligations	(3,315)	5,304	(52)
Redemption of preferred shares	(50,352)	0	0
Dividends paid on preferred shares	(3,656)	0	0
Net proceeds from issuance of common shares	54,617	42,085	0
Intercompany financing	0	0	0
Debt issue costs	(5,501)	(5,881)	(220)
Proceeds from exercise of stock options	2,640	4,762	1,500
Excess tax deficiency from stock-based payment arrangements	0	0	233
Net cash provided by (used in) financing activities	92,755	107,378	21,870
Net (decrease) increase in cash and cash equivalents	(16,773)	85,705	(21,415)
Cash and cash equivalents balance at beginning of period	145,498	59,793	81,208
Cash and cash equivalents balance at end of period	128,725	145,498	59,793
Parent [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	7,100	3,500	2,500
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
Investment in unconsolidated joint ventures	0	0
Return of capital from unconsolidated joint ventures	0
Distributions from unconsolidated joint ventures			0
Net cash provided by (used in) investing activities	0	0	0
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes		(41,443)
Proceeds from issuance of senior notes		29,700
Proceeds (repayments) from bank borrowings - net	0	0	0
Principal proceeds from note payable - other and community development district bond obligations	0	0	0
Redemption of preferred shares	(50,352)
Dividends paid on preferred shares	(3,656)	0	0
Net proceeds from issuance of common shares	54,617	42,085
Intercompany financing	(96,599)	(96,104)	(4,233)
Debt issue costs	0	0	0
Proceeds from exercise of stock options	2,640	4,762	1,500
Excess tax deficiency from stock-based payment arrangements			233
Net cash provided by (used in) financing activities	(7,100)	(3,500)	(2,500)
Net (decrease) increase in cash and cash equivalents	0	0	0
Cash and cash equivalents balance at beginning of period	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	(72,633)	(35,770)	(27,734)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Change in restricted cash	(5,185)	32,779	(2,566)
Purchase of property and equipment	(2,146)	(854)	(1,314)
Acquisition, net of cash acquired		(4,707)	4,654
Investment in unconsolidated joint ventures	(13,525)	0
Return of capital from unconsolidated joint ventures	0
Distributions from unconsolidated joint ventures			0
Net cash provided by (used in) investing activities	(20,856)	27,218	(8,534)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes		0
Proceeds from issuance 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	(3,315)	5,304	(52)
Redemption of preferred shares	0
Dividends paid on preferred shares	0	0	0
Net proceeds from issuance of common shares	0	0
Intercompany financing	89,279	91,856	8,135
Debt issue costs	(5,402)	(5,813)	(150)
Proceeds from exercise of stock options	0	0	0
Excess tax deficiency from stock-based payment arrangements			0
Net cash provided by (used in) financing activities	80,562	91,347	7,933
Net (decrease) increase in cash and cash equivalents	(12,927)	82,795	(28,335)
Cash and cash equivalents balance at beginning of period	126,334	43,539	71,874
Cash and cash equivalents balance at end of period	113,407	126,334	43,539
Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	(1,341)	(11,225)	(6,227)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Change in restricted cash	0	0	0
Purchase of property and equipment	(236)	(79)	(38)
Acquisition, net of cash acquired		0	0
Investment in unconsolidated joint ventures	(15,984)	(1,817)
Return of capital from unconsolidated joint ventures	1,522
Distributions from unconsolidated joint ventures			(752)
Net cash provided by (used in) investing activities	(14,698)	(1,896)	(790)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes		0
Proceeds from issuance of senior notes		0
Proceeds (repayments) from bank borrowings - net	12,072	15,351	20,409
Principal proceeds from note payable - other and community development district bond obligations	0	0	0
Redemption of preferred shares	0
Dividends paid on preferred shares	(7,100)	(3,500)	(2,500)
Net proceeds from issuance of common shares	0	0
Intercompany financing	7,320	4,248	(3,902)
Debt issue costs	(99)	(68)	(70)
Proceeds from exercise of stock options	0	0	0
Excess tax deficiency from stock-based payment arrangements			0
Net cash provided by (used in) financing activities	12,193	16,031	13,937
Net (decrease) increase in cash and cash equivalents	(3,846)	2,910	6,920
Cash and cash equivalents balance at beginning of period	19,164	16,254	9,334
Cash and cash equivalents balance at end of period	15,318	19,164	16,254
Corporate Elimination [Member]
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash (used in) provided by operating activities	(7,100)	(3,500)	(2,500)
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
Investment in unconsolidated joint ventures	0	0
Return of capital from unconsolidated joint ventures	0
Distributions from unconsolidated joint ventures			0
Net cash provided by (used in) investing activities	0	0	0
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repayment of senior notes		0
Proceeds from issuance 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
Redemption of preferred shares	0
Dividends paid on preferred shares	7,100	3,500	2,500
Net proceeds from issuance of common shares	0	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
Net cash provided by (used in) financing activities	7,100	3,500	2,500
Net (decrease) increase in cash and cash equivalents	0	0	0
Cash and cash equivalents balance at beginning of period	0	0	0
Cash and cash equivalents balance at end of period	0	0	0
2017 Convertible Senior Notes [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes	0	57,500	0
2017 Convertible Senior Notes [Member] | Parent [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes		57,500
2017 Convertible Senior Notes [Member] | Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes		0
2017 Convertible Senior Notes [Member] | Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes		0
2017 Convertible Senior Notes [Member] | Corporate Elimination [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes		0
2018 Convertible Senior Notes [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes	86,250	0	0
2018 Convertible Senior Notes [Member] | Parent [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes	86,250
2018 Convertible Senior Notes [Member] | Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes	0
2018 Convertible Senior Notes [Member] | Non-Guarantor Subsidiaries [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes	0
2018 Convertible Senior Notes [Member] | Corporate Elimination [Member]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of convertible senior subordinated notes	$ 0