Statements of Operations of Discontinued Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue:
Property income	$ 0	$ 38,233	$ 0	$ 76,900
Fee and other income	0	861	0	1,599
Total revenue	0	39,094	0	78,499
Expenses:
Interest expense	0	8,923	0	18,635
Real estate operating expense	0	15,623	0	31,481
Compensation expense	0	2,002	0	3,875
General and administrative expense	0	1,092	0	2,350
Acquisition expense	0	159	0	319
Depreciation and amortization expense	0	7,672	0	19,275
Total expenses	0	35,471	0	75,935
Operating (Loss) Income	0	3,623	0	2,564
Interest and other income (expense), net	0	0	0	0
Gains (losses) on assets	0	29,811	0	32,264
Gain (loss) on IRT merger with TSRE	0	0	0	91
TSRE financing extinguishment and employee separation expenses	0	0	0	0
Gains (losses) on extinguishments of debt	0	(558)	0	(558)
Net income (loss) from discontinued operations	$ 0	$ 32,876	$ 0	$ 34,361