CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
OPERATING ACTIVITIES:
Net income	$ 26,045		$ 24,416
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization - continuing and discontinued operations	10,536		9,508
Stock-based compensation expense	910		721
Gain on sale of assets, net	(16)
Straight-line rental income - continuing and discontinued operations	(1,333)	[1]	(1,689)	[1]
Recovery from doubtful accounts - continuing and discontinued operations	(21)		(14)
Non-cash interest related to earn-out liabilities	220		177
Other non-cash items, net	642		696
(Decrease) increase in accrued interest payable	(200)		183
Decrease in interest receivable	391		33
Net change in other assets and liabilities	(344)		363
Net cash provided by operating activities	36,830		34,394
INVESTING ACTIVITIES:
Investment in real estate properties, net	(20,482)		(52,450)
Investment in real estate capital improvements, net	(661)		(1,804)
Proceeds from sale of real estate investments, net	1,248
Principal payments received on mortgage loans receivable	3,752		3,620
Proceeds from redemption of marketable securities	6,500
Advances under notes receivable	(2,019)
Principal payments received on notes receivable	191		359
Net cash used in investing activities	(11,471)		(50,275)
FINANCING ACTIVITIES:
Bank borrowings	23,000		119,000
Repayment of bank borrowings	(11,000)		(86,700)
Principal payments on bonds payable	(565)		(530)
Proceeds from common stock offering			103,667
Distributions paid to stockholders	(28,096)		(29,450)
Redemption of non-controlling interests	(2,764)		(88,413)
Distributions paid to non-controlling interests	(59)		(96)
Debt issue costs	(716)		(2,105)
Stock option exercises	746
Net cash (used in) provided by financing activities	(19,454)		15,373
Increase (decrease) in cash and cash equivalents	5,905		(508)
Cash and cash equivalents, beginning of period	4,408		6,903
Cash and cash equivalents, end of period	10,313		6,395
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	$ 3,918		$ 2,037

[1] During the six months ended June 30, 2012 and 2011, we recorded $70 and $123, respectively, in straight-line rental income from a lessee that qualifies as a related party. The lessee's Chief Executive Officer is on our Board of Directors. See Note 9. Transactions with Related Party for further discussion.