Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Consolidated net income	$ 4,471	$ 2,057
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Straight-line rent	(1,045)	(609)
Depreciation and amortization	17,961	12,353
Gain on sale of operating properties, net	(6,688)
Provision for credit losses	34	115
Compensation expense for equity awards	78	196
Amortization of debt fair value adjustment	(2)	(47)
Amortization of in-place lease liabilities	(1,006)	(603)
Changes in assets and liabilities:
Tenant receivables and other	(1,831)	49
Deferred costs and other assets	(5,893)	(3,834)
Accounts payable, accrued expenses, deferred revenue and other liabilities	380	2,977
Net cash provided by operating activities	6,459	12,654
Cash flows from investing activities:
Acquisitions of interests in properties		(11,368)
Capital expenditures, net	(20,314)	(32,746)
Net proceeds from sales of operating properties	33,423
Change in construction payables	(9,439)	(5,533)
Collection of note receivable	542
Net cash provided by (used in) investing activities	4,212	(49,647)
Cash flows from financing activities:
Common share issuance proceeds, net of issuance costs	(455)	5
Loan proceeds	41,329	48,784
Loan transaction costs	(277)	(717)
Loan payments	(27,137)	(1,728)
Distributions paid – common shareholders	(7,850)	(4,664)
Distributions paid - preferred shareholders	(2,114)	(2,114)
Net cash provided by financing activities	3,071	39,159
Net change in cash and cash equivalents	13,742	2,166
Cash and cash equivalents, beginning of period	18,134	12,483
Cash and cash equivalents, end of period	31,876	14,649
Redeemable Noncontrolling Interests [Member]
Cash flows from financing activities:
Distributions to noncontrolling interests	(399)	(378)
Noncontrolling Interests in Properties [Member]
Cash flows from financing activities:
Distributions to noncontrolling interests	$ (26)	$ (29)