Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 8,396	$ 1,257
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of interest in real estate assets	(7,696)
Bad debt expense (recoveries)	(111)	47
Loss from Advised Funds	148	36
Cash receipts for related party fees	4	8
Depreciation and amortization	3,302	2,233
Amortization of deferred compensation	267	144
Decrease in tenant and accounts receivable	133	294
Increase in accounts receivable - related party	(423)	(537)
Decrease in other assets	1,559	157
Decrease in accounts payable and other liabilities	(3,843)	(2,132)
Net cash provided by operating activities	1,736	1,507
Cash flows from investing activities:
Improvements to real estate, including leasing costs	(476)	(1,129)
Cash proceeds from the sale of interest in real estate assets	32,861
Additions to furniture, fixtures and equipment	(10)	(8)
Notes receivable collections	42
Investments in and advances to Advised Funds	(1,768)	(458)
Distributions and payments from Advised Funds	3,643
Net cash provided by (used in) investing activities	34,292	(1,595)
Cash flows from financing activities:
Proceeds from notes payable	5,250	8,000
Payments of notes payable	(36,114)	(5,521)
Payments for financing costs	(9)	(125)
Retirement of shares of Class A and Class B common stock		(36)
Common dividends paid	(3,234)	(2,334)
Net cash used in financing activities	(34,107)	(16)
Net increase (decrease) in cash and cash equivalents	1,921	(104)
Cash and cash equivalents, beginning of period	2,992	1,050
Cash and cash equivalents, end of period	4,913	946
Supplemental schedule of cash flow information:
Interest	2,435	2,567
Taxes		2
Deferred compensation recorded upon issuance of restricted shares of common stock	797	790
Reclassification of tenant and accounts receivable to notes receivable	94
Reclassification of accounts receivable - related party to notes receivable - related party	225	345
Contribution of interest in net assets to joint venture	$ 10,785