CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net loss	$ (8,460)	$ (8,155)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	20,732	21,013
Amortization of deferred financing costs	1,138	726
Accretion of below- and amortization of above-market lease liabilities and assets, net	(2,124)	(2,454)
Share-based compensation	248	16
Loss on derivative instruments	(4)	0
Loss (income) from unconsolidated joint venture	(235)	1,984
Gain on sale of investment securities	(48)	0
Bad debt expense	542	0
Changes in assets and liabilities:
Tenant and other receivables	648	1,779
Unbilled rent receivables	(5,870)	(3,511)
Prepaid expenses, other assets and deferred costs	5,744	2,314
Accrued unbilled ground rent	987	1,087
Accounts payable and accrued expenses	1,811	(5,426)
Deferred rent and other liabilities	625	(1,250)
Net cash provided by operating activities	14,446	4,565
Cash flows from investing activities:
Proceeds from sale of preferred equity investment	35,100	0
Acquisition funds released from escrow	3,679	0
Additional investment in unconsolidated joint venture	0	(273)
Capital expenditures	(7,494)	(1,427)
Distributions from unconsolidated joint venture	0	3,936
Proceeds from sale of investment securities	1,098	0
Purchase of investment securities	(42)	0
Net cash provided by investing activities	32,341	2,236
Cash flows from financing activities:
Payments on mortgage notes payable	(121)	(117)
Payments of financing costs	(132)	(29)
Proceeds from issuance of common stock	0	11,291
Repurchases of common stock, inclusive of fees and expenses	0	(506)
Payments of offering costs and fees related to stock issuances	0	(1,419)
Dividends paid	(18,654)	(11,778)
Distributions to non-controlling interest holders	(593)	0
Restricted cash	(439)	(598)
Net cash used in financing activities	(19,939)	(3,156)
Net increase in cash and cash equivalents	26,848	3,645
Cash and cash equivalents, beginning of period	22,512	233,377
Cash and cash equivalents, end of period	49,360	237,022
Supplemental disclosures:
Cash paid for interest	4,828	3,283
Accrued capital expenditures	3,556	0
Common stock issued through distribution reinvestment plan	$ 0	$ 14,084