Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net income	$ 4,240	$ 6,305	$ 5,255
Adjustments to reconcile net income to net cash provided by operating activities:
Proceeds from sale of real estate acquired for resale	2,457	886	1,500
Gain on sale of real estate acquired for resale	(549)	(5,384)	(2,875)
Gain on sale of real estate acquired for investment		(1,216)
Gain on debt extinguishment		(5,374)
Impairment - properties		3,487	441
Impairment (recovery) - notes receivable	(1,071)	1,800
Bad debt expense (recoveries)	(322)	1,265	781
Lease termination income			(1,065)
Loss from Advised Funds	384	1,186	604
Cash receipts (deferrals) for related party fees	14	(166)	26
Depreciation and amortization	8,575	6,934	7,749
Amortization of deferred compensation	561	442	499
Distributions from Advised Funds		11	2
Decrease (increase) in tenant and accounts receivable	1,177	(1,272)	(796)
Decrease (increase) in accounts receivable - related party	(64)	(369)	1,289
Cash receipts from direct financing leases more than income recognized		237	253
Decrease (increase) in other assets	489	2,310	(465)
Increase (decrease) in accounts payable and other liabilities	605	(1,404)	2,067
Net cash provided by operating activities	16,496	9,678	15,265
Cash flows from investing activities:
Improvements to real estate, including leasing costs	(4,492)	(1,963)	(1,977)
Net cash paid for acquisition of investment properties	(21,594)	(2,760)
Notes receivable collections	1,071
Loans to affiliates	(3,309)	(2,241)	(2,045)
Payments from affiliates	1,000	1,550	1,531
Additions to furniture, fixtures and equipment	(47)	(74)	(7)
Investments in Advised Funds	(44)	(97)
Distributions from Advised Funds	16	557	112
Proceeds from sale of real estate acquired for resale		14,053
Residual economic interest paid		(2,866)
Cash deposited with a qualified intermediary		(12,804)
Cash received from qualified intermediary	9,370	3,434
Proceeds from sale of investment property		4,608
REITPlus cash on hand at time of acquisition			667
Decrease in preacquisition costs			16
Net cash provided by (used in) investing activities	(18,029)	1,397	(1,703)
Cash flows from financing activities:
Proceeds from notes payable	35,870	32,423	8,475
Payments of notes payable	(24,577)	(32,536)	(9,771)
Payments for financing costs	(88)	(478)	(590)
Purchase of treasury stock		(48)
Issuance of shares of common stock		(26)
Retirement of shares of common stock			(348)
Common dividends paid	(9,277)	(10,384)	(12,488)
Distributions to noncontrolling interests		(438)	(108)
Net cash provided by (used in) financing activities	1,928	(11,487)	(14,830)
Net increase (decrease) in cash and cash equivalents	395	(412)	(1,268)
Cash and cash equivalents, beginning of period	655	1,067	2,335
Cash and cash equivalents, end of period	1,050	655	1,067
Supplemental schedule of cash flow information:
Interest	9,260	10,149	10,187
Taxes	566	382	445
Number of restricted shares of common stock issued to employees and directors as part of their compensation arangements. Restricted shares vest over a three to seven- year period.	85,000	185,500	64,000
Deferred compensation recorded upon issuance of restricted shares of common stock	762	1,669	580
Assumption of debt for the acquisition of our 500 Lamar property		1,800
Lease termination income for building transferred to us for tenant default of lease			$ 1,065