Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 10,647	$ (27,277)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	94,317	93,967
Provision for real estate impairment losses	6,364
Equity in losses of unconsolidated real estate partnerships	763	1,648
Gain on dispositions of interests in unconsolidated real estate and other	(2,180)	(1,212)
Discontinued operations	(34,230)	3,926
Other adjustments	2,651	4,666
Net changes in operating assets and operating liabilities	(29,860)	(48,038)
Net cash provided by operating activities	48,472	27,680
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate and investments in unconsolidated real estate partnerships	(40,005)
Capital expenditures	(56,394)	(30,236)
Proceeds from dispositions of real estate	78,696	22,014
Purchases of corporate assets	(2,552)	(3,641)
Proceeds from sale of interests in and distributions from real estate partnerships	8,504	1,329
Other investing activities	4,785	9,514
Net cash used in investing activities	(6,966)	(1,020)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt	15,574	321,184
Principal repayments on non-recourse property debt	(76,137)	(368,961)
Net borrowings on revolving credit facility	67,400
Proceeds from issuance of preferred stock	9,836
Proceeds from issuance of Common Stock		27,174
Proceeds from Common Stock option exercises	1,854	1,806
Payment of dividends to holders of preferred stock or units	(12,439)	(12,456)
Payment of dividends to holders of Common Stock	(21,806)	(14,239)
Payment of distributions to noncontrolling interests	(15,725)	(11,542)
Purchases of noncontrolling interests in consolidated real estate partnerships	(27,638)	(6,139)
Other financing activities	9,743	6,548
Net cash used in financing activities	(49,338)	(56,625)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(7,832)	(29,965)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	91,066	111,325
CASH AND CASH EQUIVALENTS AT END OF PERIOD	83,234	81,360
AIMCO PROPERTIES,L.P
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	10,647	(27,065)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	94,317	93,967
Provision for real estate impairment losses	6,364
Equity in losses of unconsolidated real estate partnerships	763	1,648
Gain on dispositions of interests in unconsolidated real estate and other	(2,180)	(1,212)
Discontinued operations	(34,230)	3,926
Other adjustments	2,651	4,666
Net changes in operating assets and operating liabilities	(29,860)	(48,250)
Net cash provided by operating activities	48,472	27,680
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate and investments in unconsolidated real estate partnerships	(40,005)
Capital expenditures	(56,394)	(30,236)
Proceeds from dispositions of real estate	78,696	22,014
Purchases of corporate assets	(2,552)	(3,641)
Proceeds from sale of interests in and distributions from real estate partnerships	8,504	1,329
Dividends received from Aimco		67
Other investing activities	4,785	9,514
Net cash used in investing activities	(6,966)	(953)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from non-recourse property debt	15,574	321,184
Principal repayments on non-recourse property debt	(76,137)	(368,961)
Net borrowings on revolving credit facility	67,400
Proceeds from issuance of preferred stock	9,836
Proceeds from issuance of Common Stock		27,174
Proceeds from Common Stock option exercises	1,854	1,806
Payment of dividends to holders of preferred stock or units	(14,109)	(14,127)
Payment of distributions to General Partner and Special Limited Partner	(21,806)	(14,306)
Payment of distributions to Limited Partners	(1,042)	(734)
Payment of distributions to High Performance Units	(421)	(281)
Payment of distributions to noncontrolling interests	(12,592)	(8,856)
Purchases of noncontrolling interests in consolidated real estate partnerships	(27,638)	(6,139)
Other financing activities	9,743	6,548
Net cash used in financing activities	(49,338)	(56,692)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(7,832)	(29,965)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	91,066	111,325
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 83,234	$ 81,360