CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 25,060	$ 19,606
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	32,338	24,770
Amortization of above/below market leases	(124)	(133)
Amortization of deferred financing costs	369	283
Share-based compensation	1,802	2,093
Bad debt expense	(96)	142
Changes in operating assets and liabilities:
Accounts receivable	3,853	(4,011)
Deferred rent receivable	(1,350)	(1,047)
Deferred leasing costs	(3,660)	(3,541)
Other assets	(7,243)	(6,102)
Accounts payable and accrued expenses	846	(5,533)
Unearned revenue, prepaid rent and other liabilities	(2,255)	129
Deferred rent payable	1,405	(320)
Net cash provided by operating activities	50,945	26,336
CASH FLOWS FROM INVESTING ACTIVITIES
Tenant improvements	(2,608)	(777)
Real estate improvements	(42,586)	(70,601)
Net cash used in investing activities	(45,194)	(71,378)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	4,174	1,009
Proceeds from revolving credit facility	38,000	60,750
Payments on revolving credit facility	(9,000)	(92,000)
Proceeds from unsecured term loan		100,000
Payments of loan fees and costs		(1,035)
Dividends and distributions	(40,968)	(27,336)
Net cash provided by (used in) financing activities	(7,794)	41,388
Net change in cash and cash equivalents	(2,043)	(3,654)
Cash and cash equivalents, beginning of period	4,429	6,854
Cash and cash equivalents, end of period	2,386	3,200
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest, net of capitalized amounts	3,302	1,748
NON-CASH INVESTING AND FINANCING ACTIVITY
Construction costs payable capitalized to real estate	9,461	33,931
Accrual of dividends and distributions	$ 41,097	$ 28,158