Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
ASSETS
Land	$ 131,877	$ 147,460
Buildings	191,743	222,679
Tenant improvements	13,540	17,386
Real estate investments at cost, gross	337,160	387,525
Less accumulated depreciation and amortization	(32,635)	(39,820)
Real estate investments at cost, net	304,525	347,705
Acquired lease intangibles, net	13,331	15,976
Investments in Advised Funds	16,759	7,953
Net real estate investments	334,615	371,634
Cash and cash equivalents	4,913	2,992
Tenant and accounts receivable, net	5,246	5,566
Accounts receivable - related party, net	1,019	821
Notes receivable, net	2,773	2,731
Notes receivable - related party, net	7,074	6,748
Deferred costs, net	3,144	3,696
Other assets	1,460	3,206
TOTAL ASSETS	360,244	397,394
Liabilities:
Notes payable	181,096	218,579
Accounts payable and other liabilities	5,441	9,593
Acquired below-market lease intangibles, net	2,563	3,507
TOTAL LIABILITIES	189,100	231,679
Stockholders' equity:
Preferred stock, $0.01 par value, 50,000,000 shares authorized, none issued
Capital in excess of par value	245,670	245,403
Accumulated distributions in excess of earnings	(74,688)	(79,850)
TOTAL STOCKHOLDERS' EQUITY	171,144	165,715
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	360,244	397,394
Class A Common Stock [Member]
Stockholders' equity:
Common stock	117	117
Class B Common Stock [Member]
Stockholders' equity:
Common stock	$ 45	$ 45