Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income
Rental income	$ 44,297	$ 46,808	$ 135,893	$ 140,146
Total income	60,493	62,851	186,183	187,290
Expenses
General and administrative expenses	9,628	11,051	26,617	33,484
Property operating expenses	8,615	9,200	26,629	25,654
Real estate taxes	8,712	9,874	27,742	27,041
Depreciation and amortization	29,684	23,941	77,768	69,815
Provision for asset impairment	2,713	0	3,510	16,440
Total expenses	59,352	54,066	162,266	172,434
Operating income	1,141	8,785	23,917	14,856
Interest and dividend income	340	938	1,489	3,853
Gain on sale of investment properties, net	13,476	7,253	51,741	21,634
(Loss) gain on extinguishment of debt, net	(4)	(42)	10,693	840
Other income (expense)	21	2,611	515	(671)
Interest expense	(5,954)	(7,588)	(19,047)	(22,795)
Equity in (losses) earnings of unconsolidated entities	(43)	648	(2,795)	1,895
Realized and unrealized investment gains, net	13	71	236	30,940
Income from continuing operations before income taxes	8,990	12,676	66,749	50,552
Income tax expense	(43)	(432)	(407)	(943)
Net income from continuing operations	8,947	12,244	66,342	49,609
Net income from discontinued operations	0	9,721	0	8,372
Net income	$ 8,947	$ 21,965	$ 66,342	$ 57,981
Weighted average number of common shares outstanding, basic and diluted (in shares)	768,385,770	773,517,492	772,341,263	773,405,710
Net income per common share, from continuing operations, basic and diluted (in dollars per share)	$ 0.01	$ 0.02	$ 0.09	$ 0.06
Net income per common share, from discontinued operations, basic and diluted (in dollars per share)	0.00	0.01	0.00	0.01
Net income per common share, basic and diluted (in dollars per share)	0.01	0.03	0.09	0.07
Distributions declared per common share outstanding (in dollars per share)	0.01	0.02	0.05	0.05
Distributions paid per common share outstanding (in dollars per share)	$ 0.01	$ 0.02	$ 0.05	$ 0.05
Comprehensive income
Net income	$ 8,947	$ 21,965	$ 66,342	$ 57,981
Unrealized gain (loss) on investment securities	0	4,257	0	(13,407)
Unrealized gain on derivatives	142	111	1,218	426
Reclassification for amounts recognized in net income	(284)	(71)	(593)	(30,940)
Comprehensive income	8,805	26,262	66,967	14,060
Tenant recovery income
Income
Income	13,614	14,704	44,390	42,523
Other property income
Income
Income	1,617	321	2,935	1,409
Other fee income
Income
Income	$ 965	$ 1,018	$ 2,965	$ 3,212