GENERAL - Schedule of Effect of Revisions (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Quarterly Financial Information [Line Items]
Revenues from rental properties	$ 23,616	$ 22,062
Earnings from continuing operations	7,728	5,299
Net earnings	9,638	10,350
As previously reported [Member]
Quarterly Financial Information [Line Items]
Revenues from rental properties		23,009
Earnings from continuing operations		642
Net earnings		10,350
Reclassifications [Member]
Quarterly Financial Information [Line Items]
Revenues from rental properties		(947)
Earnings from continuing operations		(121)
Net earnings
As revised [Member]
Quarterly Financial Information [Line Items]
Revenues from rental properties
Earnings from continuing operations		(222)
Net earnings