Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 16,257	$ 12,856
Adjustments to reconcile net income to net cash provided by operating activities
Straight-line rents	(1,410)	(316)
Amortization of lease intangibles	(1,443)	(1,389)
Depreciation and amortization	11,376	11,100
Deferred financing cost amortization	393	367
Deferred senior secured loan fee amortization	0	(43)
Stock-based compensation	1,970	2,179
Changes in assets and liabilities
Other assets	(3,485)	1,705
Accounts payable and other liabilities	2,497	(4,301)
Net cash provided by operating activities	26,155	22,158
CASH FLOWS FROM INVESTING ACTIVITIES
Cash paid for property acquisitions	(104,372)	(30,081)
Additions to construction in progress	(140)	(2,709)
Additions to buildings, improvements and leasing costs	(7,867)	(8,391)
Repayments on senior secured loan	0	4,987
Net cash used in investing activities	(112,379)	(36,194)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuance of common stock	41,122	22,788
Issuance costs on issuance of common stock	(596)	(331)
Repurchase of common stock related to employee awards	(582)	(240)
Payments on mortgage loan payable	(11,271)	(32,732)
Payment of deferred financing costs	(10)	0
Dividends paid to common stockholders	(19,870)	(18,158)
Net cash provided by (used in) financing activities	8,793	(28,673)
Net decrease in cash and cash equivalents and restricted cash	(77,431)	(42,709)
Cash and cash equivalents and restricted cash at beginning of period	107,836	112,739
Cash and cash equivalents and restricted cash at end of period	30,405	70,030
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest, net of capitalized interest	4,424	4,970
Supplemental disclosures of non-cash transactions
Accounts payable related to capital improvements	8,720	9,149
Non-cash issuance of common stock to the deferred compensation plan	(7,321)	(7,346)
Lease liability arising from recognition of right-of-use asset	424	585
Reconciliation of cash paid for property acquisitions
Acquisition of properties	109,882	30,617
Acquisition and assumption of other assets and liabilities	(5,510)	(536)
Net cash paid for property acquisitions	$ 104,372	$ 30,081