CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (24,089,000)	$ (5,092,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	20,195,000	20,685,000
Amortization of deferred financing costs and terminated interest rate swaps	1,346,000	2,451,000
Amortization of mortgage premiums and discounts, net	15,000	(66,000)
Amortization (accretion) amortization of market lease and other intangibles, net	18,000	(50,000)
Bad debt expense	792,000	2,719,000
Equity-based compensation	338,000	322,000
Gain on sale of real estate investments, net	(2,306,000)	(6,078,000)
(Gain) loss on non-designated derivatives	(16,000)	43,000
Impairment charges	18,038,000	0
Changes in assets and liabilities:
Straight-line rent receivable	(1,175,000)	(876,000)
Prepaid expenses and other assets	1,289,000	(1,007,000)
Accounts payable, accrued expenses and other liabilities	4,270,000	1,815,000
Deferred rent	237,000	1,644,000
Net cash provided by operating activities	18,952,000	16,510,000
Cash flows from investing activities:
Property acquisitions and development costs	(90,985,000)	(33,088,000)
Capital expenditures	(11,097,000)	(1,787,000)
Proceeds from sales of real estate investments	8,294,000	45,352,000
Net cash (used in) provided by investing activities	(93,788,000)	10,477,000
Cash flows from financing activities:
Payments on credit facilities	0	(243,300,000)
Proceeds from credit facilities	95,000,000	83,618,000
Proceeds from term loan	0	150,000,000
Payments on mortgage notes payable	(211,000)	(8,413,000)
Payments for derivative instruments	(34,000)	0
Payments of deferred financing costs	(918,000)	(9,083,000)
Common stock repurchases	(10,546,000)	0
Distributions paid on common stock	(13,225,000)	(12,304,000)
Dividends paid on preferred stock	(173,000)	0
Distributions to non-controlling interest holders	(86,000)	(85,000)
Net cash, provided by (used in) financing activities	69,807,000	(39,567,000)
Net change in cash, cash equivalents and restricted cash	(5,029,000)	(12,580,000)
Cash, cash equivalents and restricted cash, beginning of period	111,599,000	91,358,000
Cash, cash equivalents and restricted cash, end of period	106,570,000	78,778,000
Cash, cash equivalents and restricted cash, end of period	106,570,000	78,778,000
Supplemental disclosures of cash flow information:
Cash paid for interest	11,144,000	10,365,000
Cash paid for income taxes	140,000	175,000
Non-cash investing and financing activities:
Common stock issued through distribution reinvestment plan	6,322,000	6,983,000
Mortgage assumed in acquisition	$ 13,883,000	$ 0