Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows From Operating Activities
Net income	$ 11,231	$ 1,930
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	30,115
Amortization of deferred finance costs and debt premiums	534
Amortization of acquired above- and below-market leases, net	(1,885)
Amortization of acquired below-market ground lease	426
Straight-lining of rental revenue	(12,580)
Equity based compensation	1,025
Equity in net income of non-controlled entities	0	(1,819)
Distributions of cumulative earnings of non-controlled entities	0	1,131
Increase (decrease) in cash flows due to changes in operating assets and liabilities:
Restricted cash	(2,777)
Tenant and other receivables	(4,530)
Deferred leasing costs	(1,372)
Prepaid expenses and other assets	11,872
Accounts payable and accrued expenses	(9,155)
Deferred revenue and other liabilities	1,006
Net cash provided by operating activities	23,910
Cash Flows From Investing Activities
Decrease in restricted cash for investing activities	5,098
Development costs	0
Additions to building and improvements	(20,136)
Net cash used in investing activities	(15,038)
Cash Flows From Financing Activities
Proceeds from mortgage notes payable	0
Repayment of mortgage notes payable	(4,011)
Proceeds from credit facility	10,000
Repayments of credit facility	(10,000)
Deferred financing costs	0
Deferred offering costs	0
Contributions from owners	0
Distributions to Predecessor owners	0
Dividends paid to common stockholders	(8,128)
Distributions paid to non-controlling interests in the operating partnership	(12,773)
Net cash provided by (used in) financing activities	(24,912)
Net increase (decrease) in cash and cash equivalents	(16,040)
Cash and cash equivalents—beginning of period	60,743
Cash and cash equivalents—end of period	44,703
Supplemental disclosures of cash flow information:
Cash paid for interest	13,811
Cash paid for income taxes	47
Non-cash investing and financing activities -
Commercial real estate properties included in accounts payable and accrued expenses	14,138
Predecessor [Member]
Cash Flows From Operating Activities
Net income		1,930
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		12,156
Amortization of deferred finance costs and debt premiums		1,615
Amortization of acquired above- and below-market leases, net		0
Amortization of acquired below-market ground lease		0
Straight-lining of rental revenue		(845)
Equity based compensation		0
Equity in net income of non-controlled entities		(1,819)
Distributions of cumulative earnings of non-controlled entities		1,131
Increase (decrease) in cash flows due to changes in operating assets and liabilities:
Restricted cash		1,593
Tenant and other receivables		31,698
Deferred leasing costs		(1,823)
Prepaid expenses and other assets		3,952
Accounts payable and accrued expenses		(5,522)
Deferred revenue and other liabilities		(876)
Net cash provided by operating activities		43,190
Cash Flows From Investing Activities
Decrease in restricted cash for investing activities		292
Development costs		59
Additions to building and improvements		(13,102)
Net cash used in investing activities		(12,751)
Cash Flows From Financing Activities
Proceeds from mortgage notes payable		50,000
Repayment of mortgage notes payable		(3,623)
Proceeds from credit facility		0
Repayments of credit facility		0
Deferred financing costs		(2,039)
Deferred offering costs		(4,450)
Contributions from owners		3,281
Distributions to Predecessor owners		(19,528)
Dividends paid to common stockholders		0
Distributions paid to non-controlling interests in the operating partnership		0
Net cash provided by (used in) financing activities		23,641
Net increase (decrease) in cash and cash equivalents		54,080
Cash and cash equivalents—beginning of period		51,499
Cash and cash equivalents—end of period		105,579
Supplemental disclosures of cash flow information:
Cash paid for interest		12,658
Cash paid for income taxes		0
Non-cash investing and financing activities -
Commercial real estate properties included in accounts payable and accrued expenses		$ 428