SUMMARIZED CONDENSED CONSOLIDATING INFORMATION Condensed Consolidating Statement of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements
Net cash provided by operating activities	$ 62,099	$ 56,252	$ 44,705
Cash flows from investing activities:
Acquisitions of real estate	(125,955)	(205,424)	(204,500)
Payments to Acquire Notes Receivable			5,348
Origination of loans receivable	(165,960)	(22,180)	0
Preferred equity investments	(7,038)	0	0
Additions to real estate	(764)	(1,046)	(86)
Repayment of note receivable	0	10,000	5,348
Proceeds from sale of real estate	2,208	0	0
Investment in Subsidiary		0	0
Distribution from Subsidiary	0	0	0
Intercompany financing	0	0	0
Net cash (used in) provided by investing activities	(297,509)	(218,650)	(204,586)
Cash flows from financing activities:
Proceeds from issuance of senior unsecured notes	200,000	106,000	0
Proceeds from secured revolving credit facility	143,500	135,000	0
Proceeds from mortgage notes payable	0	56,651	0
Principal payments on senior unsecured notes	(113,750)	0	0
Payments on secured revolving credit facility	(100,500)	(42,500)	0
Principal payments on mortgage notes payable	(10,994)	(62,226)	(3,027)
Payments of deferred financing costs	(8,954)	(6,800)	(677)
Payment of contingent consideration	(1,300)	0	0
Issuance of preferred stock	138,249	0	0
Issuance of common stock	34,517	53	163,242
Dividends paid	(58,151)	(48,929)	(31,640)
Contribution from Parent		0	0
Distribution to Parent	0	0	0
Intercompany financing	0	0	0
Net cash provided by financing activities	222,617	137,249	127,898
Net (decrease) increase in cash and cash equivalents	(12,793)	(25,149)	(31,983)
Cash and cash equivalents, beginning of period	17,101	42,250	74,233
Cash and cash equivalents, end of period	4,308	17,101	42,250
Parent Company
Condensed Financial Statements
Net cash provided by operating activities	47,810	53,584	41,298
Cash flows from investing activities:
Acquisitions of real estate	0	0	0
Payments to Acquire Notes Receivable			5,348
Origination of loans receivable	0	0
Preferred equity investments	0
Additions to real estate	0	(14)	(86)
Repayment of note receivable		0	5,348
Proceeds from sale of real estate	0
Investment in Subsidiary		(7,191)	(164,030)
Distribution from Subsidiary	4,066	1,751	3,307
Intercompany financing	(178,015)	(25,915)	(41,196)
Net cash (used in) provided by investing activities	(173,949)	(31,369)	(202,005)
Cash flows from financing activities:
Proceeds from issuance of senior unsecured notes	0	0
Proceeds from secured revolving credit facility	0	0
Proceeds from mortgage notes payable		0
Principal payments on senior unsecured notes	0
Payments on secured revolving credit facility	0	0
Principal payments on mortgage notes payable	0	0	0
Payments of deferred financing costs	0	0	0
Payment of contingent consideration	0
Issuance of preferred stock	138,249
Issuance of common stock	34,517	53	163,242
Dividends paid	(58,151)	(48,929)	(31,640)
Contribution from Parent		0	0
Distribution to Parent	0	0	0
Intercompany financing	0	0	0
Net cash provided by financing activities	114,615	(48,876)	131,602
Net (decrease) increase in cash and cash equivalents	(11,524)	(26,661)	(29,105)
Cash and cash equivalents, beginning of period	15,075	41,736	70,841
Cash and cash equivalents, end of period	3,551	15,075	41,736
Issuers
Condensed Financial Statements
Net cash provided by operating activities	0	0	0
Cash flows from investing activities:
Acquisitions of real estate	0	0	0
Payments to Acquire Notes Receivable			0
Origination of loans receivable	0	0
Preferred equity investments	0
Additions to real estate	0	0	0
Repayment of note receivable		0	0
Proceeds from sale of real estate	0
Investment in Subsidiary		(7,191)	(96)
Distribution from Subsidiary	4,066	1,751	3,307
Intercompany financing	(258,819)	(128,721)	(204,700)
Net cash (used in) provided by investing activities	(254,753)	(134,161)	(201,489)
Cash flows from financing activities:
Proceeds from issuance of senior unsecured notes	200,000	106,000
Proceeds from secured revolving credit facility	0	0
Proceeds from mortgage notes payable		0
Principal payments on senior unsecured notes	(113,750)
Payments on secured revolving credit facility	0	0
Principal payments on mortgage notes payable	0	0	0
Payments of deferred financing costs	(5,446)	(3,194)	(430)
Payment of contingent consideration	0
Issuance of preferred stock	0
Issuance of common stock	0	0	0
Dividends paid	0	0	0
Contribution from Parent		7,191	164,030
Distribution to Parent	(4,066)	(1,751)	(3,307)
Intercompany financing	178,015	25,915	41,196
Net cash provided by financing activities	254,753	134,161	201,489
Net (decrease) increase in cash and cash equivalents	0	0	0
Cash and cash equivalents, beginning of period	0	0	0
Cash and cash equivalents, end of period	0	0	0
Combined Guarantor Subsidiaries
Condensed Financial Statements
Net cash provided by operating activities	0	0	0
Cash flows from investing activities:
Acquisitions of real estate	(125,955)	(205,424)	(204,500)
Payments to Acquire Notes Receivable			0
Origination of loans receivable	(165,960)	(22,180)
Preferred equity investments	(7,038)
Additions to real estate	(764)	(1,032)	0
Repayment of note receivable		10,000	0
Proceeds from sale of real estate	0
Investment in Subsidiary		0	0
Distribution from Subsidiary	0	0	0
Intercompany financing	0	0	0
Net cash (used in) provided by investing activities	(299,717)	(218,636)	(204,500)
Cash flows from financing activities:
Proceeds from issuance of senior unsecured notes	0	0
Proceeds from secured revolving credit facility	143,500	135,000
Proceeds from mortgage notes payable		0
Principal payments on senior unsecured notes	0
Payments on secured revolving credit facility	(100,500)	(42,500)
Principal payments on mortgage notes payable	0	0	0
Payments of deferred financing costs	(3,010)	(2,585)	(200)
Payment of contingent consideration	(1,300)
Issuance of preferred stock	0
Issuance of common stock	0	0	0
Dividends paid	0	0	0
Contribution from Parent		0	0
Distribution to Parent	0	0	0
Intercompany financing	261,027	128,721	204,700
Net cash provided by financing activities	299,717	218,636	204,500
Net (decrease) increase in cash and cash equivalents	0	0	0
Cash and cash equivalents, beginning of period	0	0	0
Cash and cash equivalents, end of period	0	0	0
Combined Non-Guarantor Subsidiaries
Condensed Financial Statements
Net cash provided by operating activities	14,289	2,668	3,407
Cash flows from investing activities:
Acquisitions of real estate	0	0	0
Payments to Acquire Notes Receivable			0
Origination of loans receivable	0	0
Preferred equity investments	0
Additions to real estate	0	0	0
Repayment of note receivable		0	0
Proceeds from sale of real estate	2,208
Investment in Subsidiary		0	0
Distribution from Subsidiary	0	0	0
Intercompany financing	0	0	0
Net cash (used in) provided by investing activities	2,208	0	0
Cash flows from financing activities:
Proceeds from issuance of senior unsecured notes	0	0
Proceeds from secured revolving credit facility	0	0
Proceeds from mortgage notes payable		56,651
Principal payments on senior unsecured notes	0
Payments on secured revolving credit facility	0	0
Principal payments on mortgage notes payable	(10,994)	(62,226)	(3,027)
Payments of deferred financing costs	(498)	(1,021)	(47)
Payment of contingent consideration	0
Issuance of preferred stock	0
Issuance of common stock	0	0	0
Dividends paid	0	0	0
Contribution from Parent		7,191	96
Distribution to Parent	(4,066)	(1,751)	(3,307)
Intercompany financing	(2,208)	0	0
Net cash provided by financing activities	(17,766)	(1,156)	(6,285)
Net (decrease) increase in cash and cash equivalents	(1,269)	1,512	(2,878)
Cash and cash equivalents, beginning of period	2,026	514	3,392
Cash and cash equivalents, end of period	757	2,026	514
Elimination
Condensed Financial Statements
Net cash provided by operating activities	0	0	0
Cash flows from investing activities:
Acquisitions of real estate	0	0	0
Payments to Acquire Notes Receivable			0
Origination of loans receivable	0	0
Preferred equity investments	0
Additions to real estate	0	0	0
Repayment of note receivable		0	0
Proceeds from sale of real estate	0
Investment in Subsidiary		14,382	164,126
Distribution from Subsidiary	(8,132)	(3,502)	(6,614)
Intercompany financing	436,834	154,636	245,896
Net cash (used in) provided by investing activities	428,702	165,516	403,408
Cash flows from financing activities:
Proceeds from issuance of senior unsecured notes	0	0
Proceeds from secured revolving credit facility	0	0
Proceeds from mortgage notes payable		0
Principal payments on senior unsecured notes	0
Payments on secured revolving credit facility	0	0
Principal payments on mortgage notes payable	0	0	0
Payments of deferred financing costs	0	0	0
Payment of contingent consideration	0
Issuance of preferred stock	0
Issuance of common stock	0	0	0
Dividends paid	0	0	0
Contribution from Parent		(14,382)	(164,126)
Distribution to Parent	8,132	3,502	6,614
Intercompany financing	(436,834)	(154,636)	(245,896)
Net cash provided by financing activities	(428,702)	(165,516)	(403,408)
Net (decrease) increase in cash and cash equivalents	0	0	0
Cash and cash equivalents, beginning of period	0	0	0
Cash and cash equivalents, end of period	$ 0	$ 0	$ 0