Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 365,261	$ 706,763
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	283,027	286,439
Gain on dispositions of real estate and the Asset Management business	(356,929)	(679,738)
Income tax benefit	(1,942)	(12,617)
Other adjustments	10,429	11,762
Net changes in operating assets and operating liabilities	(21,098)	(9,683)
Net cash provided by operating activities	278,748	302,926
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate and deposits related to purchases of real estate	(131,613)	(212,358)
Capital expenditures	(292,749)	(253,149)
Proceeds from dispositions of real estate	422,463	708,464
Purchases of corporate assets	(14,825)	(5,530)
Proceeds from repayments on notes receivable	111	3,242
Other investing activities	608	(1,547)
Net cash (used in) provided by investing activities	(16,005)	239,122
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of non-recourse property debt	667,965	360,613
Principal repayments of non-recourse property debt	(390,346)	(403,141)
Repayment of term loan	0	(250,000)
Net repayments on revolving credit facility	(160,360)	(67,160)
Repurchases of Common Stock	(20,682)	0
Redemption of Preferred Stock	(125,000)	0
Payment of dividends to Common Stockholders	(183,319)	(178,937)
Payment of dividends to Preferred Stockholders	(3,247)	(6,445)
Payment of distributions to noncontrolling interests	(16,320)	(22,549)
Redemption of noncontrolling interests in the Aimco Operating Partnership	(5,071)	(8,675)
Contribution from noncontrolling interests in consolidated real estate partnerships	4,911	0
Purchases of noncontrolling interests in consolidated real estate partnerships	(3,780)	(3,581)
Other financing activities	(6,864)	(415)
Net cash used in financing activities	(242,113)	(580,290)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	20,630	(38,242)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD	72,595	142,541
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	93,225	104,299
AIMCO Properties, LP [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	365,261	706,763
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	283,027	286,439
Gain on dispositions of real estate and the Asset Management business	(356,929)	(679,738)
Income tax benefit	(1,942)	(12,617)
Other adjustments	10,429	11,762
Net changes in operating assets and operating liabilities	(21,098)	(9,683)
Net cash provided by operating activities	278,748	302,926
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of real estate and deposits related to purchases of real estate	(131,613)	(212,358)
Capital expenditures	(292,749)	(253,149)
Proceeds from dispositions of real estate	422,463	708,464
Purchases of corporate assets	(14,825)	(5,530)
Proceeds from repayments on notes receivable	111	3,242
Other investing activities	608	(1,547)
Net cash (used in) provided by investing activities	(16,005)	239,122
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of non-recourse property debt	667,965	360,613
Principal repayments of non-recourse property debt	(390,346)	(403,141)
Repayment of term loan	0	(250,000)
Net repayments on revolving credit facility	(160,360)	(67,160)
Repurchases of Common Stock	(20,682)	0
Redemption of preferred units held by Aimco	(125,000)	0
Payment of dividends to Preferred Stockholders	(9,047)	(12,250)
Payment of distributions to General Partner and Special Limited Partner	(183,319)	(178,937)
Payment of distributions to Limited Partners	(10,211)	(8,810)
Payment of distributions to noncontrolling interests	(309)	(7,934)
Redemption of noncontrolling interests in the Aimco Operating Partnership	(5,071)	(8,675)
Contribution from noncontrolling interests in consolidated real estate partnerships	4,911	0
Purchases of noncontrolling interests in consolidated real estate partnerships	(3,780)	(3,581)
Other financing activities	(6,864)	(415)
Net cash used in financing activities	(242,113)	(580,290)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	20,630	(38,242)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF PERIOD	72,595	142,541
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF PERIOD	$ 93,225	$ 104,299