Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income (loss)	$ 53,335	$ 4,657	$ 98,113	$ (49,591)
Other comprehensive income (loss):
Unrealized losses on interest rate swaps	(768)	(3,411)	(2,544)	(5,056)
Losses on interest rate swaps reclassified into earnings from accumulated other comprehensive loss	417	424	1,259	1,242
Unrealized gains (losses) on debt securities classified as available-for-sale	196	(5,001)	1,655	(3,428)
Other comprehensive (loss) income	(155)	(7,988)	370	(7,242)
Comprehensive income (loss)	53,180	(3,331)	98,483	(56,833)
Comprehensive (income) loss attributable to noncontrolling interests	(14,504)	(5,276)	(34,490)	6,444
Comprehensive income (loss) attributable to the company	38,676	(8,607)	63,993	(50,389)
AIMCO PROPERTIES, L.P
Net income (loss)	53,335	5,481	98,113	(48,331)
Other comprehensive income (loss):
Unrealized losses on interest rate swaps	(768)	(3,411)	(2,544)	(5,056)
Losses on interest rate swaps reclassified into earnings from accumulated other comprehensive loss	417	424	1,259	1,242
Unrealized gains (losses) on debt securities classified as available-for-sale	196	(5,001)	1,655	(3,428)
Other comprehensive (loss) income	(155)	(7,988)	370	(7,242)
Comprehensive income (loss)	53,180	(2,507)	98,483	(55,573)
Comprehensive (income) loss attributable to noncontrolling interests	(11,290)	(5,165)	(28,631)	5,014
Comprehensive income (loss) attributable to the company	$ 41,890	$ (7,672)	$ 69,852	$ (50,559)

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References+ Details

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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- Definition

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the economic entity, including both controlling (parent) and noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, including any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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- Definition

Net of tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.

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Net of tax amount, before reclassification adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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- Definition

Net of tax amount of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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