Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (4,123)	$ (9,001)	$ (6,001)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	18,956	16,765	15,540
Amortization of deferred financing costs	1,687	1,289	2,899
Amortization of deferred costs and intangible assets	1,175	1,715	2,750
Amortization of above- and below-market leases	(1,180)	(1,917)	(1,729)
Loss on extinguishment of debt	2,432	8,872
Gain on involuntary conversion		(194)
Deferred rent	1,211	1,029	311
Stock-based compensation	1,510	1,940	3,110
Change in fair value of interest rate caps		(208)	261
Changes in operating assets and liabilities:
Tenant and other receivables	(607)	2,989	(2,084)
Prepaid expenses, other assets and deferred costs	(1,256)	(2,010)	(1,620)
Accounts payable and accrued liabilities	2,586	(515)	(561)
Security deposits	933	589	(200)
Other liabilities	448	1,019	389
Net cash provided by operating activities	23,772	22,362	13,065
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to land, buildings and improvements	(43,774)	(39,877)	(20,276)
Insurance proceeds from involuntary conversion		226
Sale and purchase of interest rate caps, net		356
Cash paid in connection with acquisition of real estate	(31,129)		(167,380)
Net cash used in investing activities	(74,903)	(39,295)	(187,656)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds and costs from sale of common stock		(7)	78,685
(Redemption) sale of preferred stock			(145)
Payments of mortgage notes	(142,638)	(615,167)	(3,895)
Proceeds from mortgage notes	226,457	685,664	94,417
Dividends and distributions	(17,089)	(17,038)	(16,565)
Loan issuance and extinguishment costs	(4,531)	(12,325)	(4,888)
Net cash provided by financing activities	62,199	41,127	147,609
Net increase (decrease) in cash and cash equivalents and restricted cash	11,068	24,194	(26,982)
Cash and cash equivalents and restricted cash – beginning of period	45,864	21,670	48,652
Cash and cash equivalents and restricted cash – end of period	56,932	45,864	21,670
Cash and cash equivalents - beginning of period	37,028	7,940	37,547
Restricted cash - beginning of period	8,836	13,730	11,105
Cash and cash equivalents - end of period	42,500	37,028	7,940
Restricted cash - end of period	14,432	8,836	13,730
Supplemental cash flow information:
Cash paid for interest, net of capitalized interest of $5,687, $5,531 and $2,852 in 2019, 2018 and 2017, respectively	33,956	31,055	33,614
Non-cash interest capitalized to real estate under development	956	1,295	920
Additions to investment in real estate included in accounts payable and accrued liabilities	$ 3,891	$ 5,998	$ 1,528