GENERAL - Schedule of Earnings (Loss) from Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Earnings (loss) from operating activities	$ (1,367)	$ 1,608	$ (2,580)	$ (1,789)
Gains on dispositions of real estate	1,217	4,174	4,370	12,606
Earnings (loss) from discontinued operations	(150)	5,782	1,790	10,817
Segment, Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues from rental properties	754	1,467	1,778	3,064
Impairment charges	(1,592)	(114)	(3,087)	(3,626)
Other operating expenses	(529)	255	(1,271)	(1,227)
Earnings (loss) from operating activities	(1,367)	1,608	(2,580)	(1,789)
Gains on dispositions of real estate	1,217	4,174	4,370	12,606
Earnings (loss) from discontinued operations	$ (150)	$ 5,782	$ 1,790	$ 10,817