GENERAL (Schedule of Revenue Earn from Rental Properties) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Earnings (loss) from operating activities	$ (5,563)	$ 2,205	$ (7,370)	$ 5,233
Gains from dispositions of real estate	576	310	3,819	609
Earnings (loss) from discontinued operations	(4,987)	2,515	(3,551)	5,842
Segment, Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues from rental properties	413	2,415	4,527	6,618
Impairment charges	(5,406)	(37)	(7,573)	(624)
Other operating expenses	(570)	(173)	(4,324)	(761)
Earnings (loss) from operating activities	(5,563)	2,205	(7,370)	5,233
Gains from dispositions of real estate	576	310	3,819	609
Earnings (loss) from discontinued operations	$ (4,987)	$ 2,515	$ (3,551)	$ 5,842

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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- Definition

Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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