Other Significant Transactions (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Income Related to Legally Sold Portfolio [Line Items]
Revenues	$ 5,675	$ 5,447
Expenses	(5,201)	(5,664)
Equity loss of unconsolidated entities, gains or losses on dispositions and other, net	(1,994)	(2,489)
Net loss related to legacy asset management business	(1,520)	(2,706)
Income tax benefit (expense) associated with legacy asset management business	70	(26)
Loss allocated to noncontrolling interests in consolidated real estate partnerships	899	2,682
Net losses of legacy asset management business attributable to Aimco and the Aimco Operating Partnership	$ (551)	$ (50)