Discontinued Operations MAALP Summary of Discontinued Operations (Details) (Limited Partner [Member], Discontinued Operations [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Limited Partner [Member] | Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rental revenues	$ 795	$ 2,287	$ 2,384	$ 10,782
Other revenues	(2)	243	(7)	998
Total revenues	793	2,530	2,377	11,780
Property operating expenses	256	1,123	856	4,991
Depreciation and amortization	0	342	42	2,317
Interest expense and other	49	92	126	418
Total expenses	305	1,557	1,024	7,726
Income from discontinued operations before gain on sale	488	973	1,353	4,054
Net loss on insurance and other settlement proceeds on discontinued operations	3	(1)	0	(5)
Gain on sale of discontinued operations	(103)	28,806	5,378	60,585
Income from discontinued operations	$ 388	$ 29,778	$ 6,731	$ 64,634