CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 28,566	$ 25,060
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33,776	32,338
Amortization of above/below market leases	(175)	(124)
Amortization of deferred financing costs	566	369
Share-based compensation	2,626	1,802
Bad debt expense	(145)	(96)
Changes in operating assets and liabilities:
Accounts receivable	3,942	3,853
Deferred rent receivable	(1,250)	(1,350)
Deferred leasing costs	(3,405)	(3,660)
Other assets	(4,709)	(7,243)
Accounts payable and accrued expenses	(1,956)	846
Unearned revenue, prepaid rent and other liabilities	1,911	(2,255)
Operating leases	(1,400)	1,405
Net cash provided by operating activities	58,347	50,945
CASH FLOWS FROM INVESTING ACTIVITIES
Tenant improvements	(1,295)	(2,608)
Real estate improvements	(54,338)	(42,586)
Acquisition of CH2 land	(4,383)
Net cash used in investing activities	(60,016)	(45,194)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	100	4,174
Proceeds from revolving credit facility	67,000	38,000
Payments on revolving credit facility	(20,000)	(9,000)
Dividends and distributions	(47,599)	(40,968)
Net cash used in financing activities	(499)	(7,794)
Net change in cash and cash equivalents	(2,168)	(2,043)
Cash and cash equivalents, beginning of period	5,247	4,429
Cash and cash equivalents, end of period	3,079	2,386
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest, net of capitalized amounts	4,354	3,302
Cash paid for operating lease liabilities	6,795	5,132
NON-CASH INVESTING AND FINANCING ACTIVITY
Construction costs payable capitalized to real estate	22,061	9,461
Accrual of dividends and distributions	$ 48,678	41,097
Lease liabilities arising from obtaining right-of-use assets		$ 8,330