Consolidated Statement of Operations and Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenue
Property revenue	$ 47,268	$ 43,246	$ 96,417	$ 85,789
Office revenue	455	238	933	550
Property management and construction services revenue	179	0	267	0
Total revenue	47,902	43,484	97,617	86,339
Expenses
Property operating and maintenance	18,132	16,662	37,500	32,857
Depreciation and amortization	15,885	13,857	32,180	27,748
General and administrative	4,596	4,398	9,915	9,356
Development costs	198	181	528	443
Construction services	33	0	90	0
Costs associated with acquisitions	27	64	113	64
Total expenses	38,871	35,162	80,326	70,468
Operating income	9,031	8,322	17,291	15,871
Interest expense	(6,587)	(7,395)	(13,540)	(14,816)
Gain on disposition of properties	59,904	0	100,870	0
Income from continuing operations	62,348	927	104,621	1,055
Income from discontinued operations:
Operating income, net of interest expense	0	725	0	2,164
Gain on disposition of properties	0	0	0	8,796
Income from discontinued operations	0	725	0	10,960
Net income	62,348	1,652	104,621	12,015
Net income attributable to noncontrolling interests	0	(14)	0	(31)
Net income attributable to AERC	62,348	1,638	104,621	11,984
Allocation to participating securities	(212)	0	(355)	0
Net income applicable to common shares	62,136	1,638	104,266	11,984
Earnings per common share - basic:
Income from continuing operations applicable to common shares	$ 1.08	$ 0.02	$ 1.82	$ 0.02
Income from discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.22
Net income applicable to common shares - basic	$ 1.08	$ 0.03	$ 1.82	$ 0.24
Earnings per common share - diluted:
Income from continuing operations applicable to common shares	$ 1.07	$ 0.02	$ 1.80	$ 0.02
Income from discontinued operations	$ 0.00	$ 0.01	$ 0.00	$ 0.22
Net income applicable to common shares - diluted	$ 1.07	$ 0.03	$ 1.80	$ 0.24
Comprehensive income:
Net income	62,348	1,652	104,621	12,015
Change in fair value and reclassification of hedge instruments	(683)	2,421	(746)	2,309
Total comprehensive income	61,665	4,073	103,875	14,324
Net income attributable to noncontrolling interests	0	(14)	0	(31)
Total comprehensive income attributable to AERC	$ 61,665	$ 4,059	$ 103,875	$ 14,293
Dividends declared per common share	$ 0.19	$ 0.19	$ 0.38	$ 0.38
Weighted average number of common shares outstanding - basic	57,475	49,864	57,419	49,749
Weighted average number of common shares outstanding - diluted	57,919	50,583	57,876	50,431