Transactions Involving Noncontrolling Interests in Aimco Operating Partnership (Tables)

12 Months Ended

Dec. 31, 2011

Transactions Involving Noncontrolling Interests In Aimco Operating Partnership [Abstract]

Reconciliation of preferred noncontrolling interests

		September 30,			September 30,			September 30,
	2011			2010			2009
Balance at January 1	$	83,428		$	86,656		$	88,148
Net income attributable to preferred noncontrolling interests in the Aimco Operating Partnership		6,683			4,964			6,288
Distributions attributable to preferred noncontrolling interests in the Aimco Operating Partnership		(6,683	)		(6,730	)		(6,806	)
Purchases and redemptions of preferred OP Units		(44	)		(1,462	)		(1,725	)
Other		––			––			751
Balance at December 31	$	83,384		$	83,428		$	86,656