Condensed Consolidated Balance Sheets MAALP Condensed Consolidated Balance Sheets (USD $)	Mar. 31, 2014	Dec. 31, 2013
Assets:
Assets	$ 6,785,663,000	$ 6,841,925,000
Liabilities:
Fair market value of interest rate swaps	17,937,000	20,015,000
Capital [Abstract]
Limited Partners' Capital Account	287,316,070
Accumulated Other Comprehensive Income (Loss), Net of Tax	2,691,000	108,000
Limited Partner [Member]
Assets:
Land	862,833,000	871,316,000
Buildings and improvements	6,467,714,000	6,366,701,000
Furniture, fixtures and equipment	201,361,000	199,573,000
Capital improvements in progress	103,100,000	166,048,000
Real Estate Investment Property, at Cost	7,635,008,000	7,603,638,000
Real Estate Investment Property, Accumulated Depreciation	1,191,115,000	1,124,207,000
Real Estate Investment Property, Net	6,443,893,000	6,479,431,000
Land Available for Development	59,191,000	63,850,000
Commercial properties, net	7,919,000	7,523,000
Investments in real estate joint ventures	2,982,000	5,499,000
Real Estate Assets Net	6,513,985,000	6,556,303,000
Cash and cash equivalents	121,901,000	89,333,000
Restricted cash	37,876,000	44,361,000
Deferred financing costs, net	16,304,000	17,424,000
Other assets	57,356,000	91,637,000
Goodwill	4,106,000	4,106,000
Real Estate Held-for-sale	34,135,000	38,761,000
Assets	6,785,663,000	6,841,925,000
Liabilities:
Secured notes payable	1,785,161,000	1,790,935,000
Unsecured notes payable	1,677,898,000	1,681,783,000
Accounts payable	15,174,000	15,067,000
Fair market value of interest rate swaps	17,937,000	20,015,000
Accrued expenses and other liabilities	197,997,000	206,190,000
Security Deposit Liability	9,522,000	9,270,000
Due to Related Parties, Current	19,000	19,000
Liabilities associated with assets held for sale	0	78,000
Total liabilities	3,703,708,000	3,723,357,000
Redeemable stock	4,828,000	5,050,000
Capital [Abstract]
General Partners' Capital Account	2,910,649,000	2,946,598,000
Limited Partners' Capital Account	163,577,000	166,746,000
Accumulated Other Comprehensive Income (Loss), Net of Tax	2,901,000	174,000
Capital	3,077,127,000	3,113,518,000
Liabilities and Equity	$ 6,785,663,000	$ 6,841,925,000
Temporary Equity, Shares Outstanding	77,312	83,139