Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 1,257	$ 1,336
Adjustments to reconcile net income to net cash provided by operating activities:
Bad debt expense (recoveries)	47	(10)
Loss from Advised Funds	36	104
Cash receipts (deferrals) for related party fees	8	(12)
Depreciation and amortization	2,233	1,697
Amortization of deferred compensation	144	132
Decrease in tenant and accounts receivable	294	1,520
Increase in accounts receivable - related party	(537)	(87)
Decrease in other assets	157	260
Decrease in accounts payable and other liabilities	(2,132)	(2,281)
Net cash provided by operating activities	1,507	2,659
Cash flows from investing activities:
Improvements to real estate, including leasing costs	(1,129)	(425)
Net cash paid for acquisition of investment properties		(4,689)
Additions to furniture, fixtures and equipment	(8)	(11)
Investments in and advances to Advised Funds	(458)	(229)
Distributions and payments from Advised Funds		16
Cash received from qualified intermediary		9,370
Net cash provided by (used in) investing activities	(1,595)	4,032
Cash flows from financing activities:
Proceeds from notes payable	8,000	1,750
Payments of notes payable	(5,521)	(6,065)
Payments for financing costs	(125)	(3)
Retirement of shares of common stock	(36)
Common dividends paid	(2,334)	(2,319)
Net cash used in financing activities	(16)	(6,637)
Net increase (decrease) in cash and cash equivalents	(104)	54
Cash and cash equivalents, beginning of period	1,050	655
Cash and cash equivalents, end of period	946	709
Supplemental schedule of cash flow information:
Interest	2,567	1,972
Taxes	2	142
Deferred compensation recorded upon issuance of restricted shares of common stock	790	674
Reclassification of accounts receivable - related party to notes receivable - related party	345
Assumption of debt associated with the acquisition of The Market at Lake Houston		$ 15,675