Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 11,168	$ 12,188
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,841	4,778
Restricted/stock-based compensation expense	210	261
Changes in assets and liabilities:
Rent receivable	(371)	112
Accrued expenses and other liabilities	(114)	431
Tenant reserves, escrows, deposits and prepaid rents	(1)	41
Accrued interest	(23)	39
Other, net	87	(209)
Net cash provided by operating activities	15,797	17,641
Cash flows from investing activities:
Investments in LLCs	(3,475)	(12,018)
Repayments of advances made to LLCs	6,664	478
Advances made to LLCs	(11,541)	(9,547)
Cash distributions in excess of income from LLCs	4,066	2,582
Cash distributions of refinancing proceeds from LLCs	2,111	2,734
Additions to real estate investments	(172)	(801)
Deposits on real estate assets	(834)	0
Net cash paid for acquisition of medical office buildings	(26,505)	0
Decrease in cash and cash equivalents due to recording of LLC on unconsolidated basis	0	(1,938)
Net cash used in investing activities	(29,686)	(18,510)
Cash flows from financing activities:
Net borrowings on line of credit	37,800	7,800
Repayments of mortgage notes payable of consolidated LLCs	0	(191)
Repayments of loans payable of consolidated LLCs	(94)	(118)
Repayments of mortgage notes payable	(120)	(3,489)
Proceeds from mortgage notes payable	0	5,250
Financing costs paid	(1,104)	0
Financing costs of mortgage notes payable	0	(388)
Dividends paid	(22,977)	(22,215)
Issuance of shares of beneficial interest, net	184	12,243
Net cash provided by/(used in) financing activities	13,689	(1,108)
Decrease in cash and cash equivalents	(200)	(1,977)
Cash and cash equivalents, beginning of period	987	3,038
Cash and cash equivalents, end of period	787	1,061
Supplemental disclosures of cash flow information:
Interest paid	1,297	1,540
Supplemental disclosures of non-cash information:
Net real estate investments	0	12,169
Cash and cash equivalents	0	1,938
Other assets	0	144
Mortgage and note payable	0	13,465
Other liabilities	0	370
Third-party equity interests	0	21
Investment in LLC	$ 0	$ 395