Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 38,746	$ 275,838
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	176,323	160,508
Gain on dispositions of real estate, net of tax	(1,114)	(222,728)
Other adjustments	(5,302)	(10,380)
Net changes in operating assets and operating liabilities	(32,640)	(26,473)
Net cash provided by operating activities	176,013	176,765
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of real estate	(8,189)	(6,119)
Capital expenditures	(176,388)	(166,030)
Proceeds from dispositions of real estate	10,915	298,691
Purchases of corporate assets	(6,005)	(4,425)
Change in restricted cash	1,780	(286,841)
Other investing activities	733	10,013
Net cash used in investing activities	(177,154)	(154,711)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from non-recourse property debt	68,535	38,261
Principal repayments on non-recourse property debt	(91,420)	(59,267)
Proceeds from term loan	250,000	0
Net borrowings on revolving credit facility	227,790	133,540
Payment of dividends to holders of preferred securities	(4,297)	(5,515)
Payment of dividends to holders of Common Stock	(112,661)	(103,050)
Payment of distributions to noncontrolling interests	(11,176)	(11,898)
Purchases and redemptions of noncontrolling interests	(323,165)	(3,980)
Other financing activities	53	(5,709)
Net cash provided by (used in) financing activities	3,659	(17,618)
NET INCREASE IN CASH AND CASH EQUIVALENTS	2,518	4,436
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	61,244	50,789
CASH AND CASH EQUIVALENTS AT END OF PERIOD	63,762	55,225
AIMCO PROPERTIES, L.P [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	38,746	275,838
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	176,323	160,508
Gain on dispositions of real estate, net of tax	(1,114)	(222,728)
Other adjustments	(5,302)	(10,380)
Net changes in operating assets and operating liabilities	(32,640)	(26,473)
Net cash provided by operating activities	176,013	176,765
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of real estate	(8,189)	(6,119)
Capital expenditures	(176,388)	(166,030)
Proceeds from dispositions of real estate	10,915	298,691
Purchases of corporate assets	(6,005)	(4,425)
Change in restricted cash	1,780	(286,841)
Other investing activities	733	10,013
Net cash used in investing activities	(177,154)	(154,711)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from non-recourse property debt	68,535	38,261
Principal repayments on non-recourse property debt	(91,420)	(59,267)
Proceeds from term loan	250,000	0
Net borrowings on revolving credit facility	227,790	133,540
Payment of dividends to holders of preferred securities	(8,185)	(8,949)
Payment of distributions to General Partner and Special Limited Partner	(112,661)	(103,050)
Payment of distributions to Limited Partners	(5,408)	(5,169)
Payment of distributions to noncontrolling interests	(1,880)	(3,295)
Purchases and redemptions of noncontrolling interests	(311,055)	0
Other financing activities	(12,057)	(9,689)
Net cash provided by (used in) financing activities	3,659	(17,618)
NET INCREASE IN CASH AND CASH EQUIVALENTS	2,518	4,436
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	61,244	50,789
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 63,762	$ 55,225