Basis of Presentation and Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid, net of amounts capitalized	$ 43,800	$ 22,152	$ 17,748
Cash paid for income taxes	2,941	9,216	1,773
Non-cash transactions associated with the acquisition of real estate:
Non-recourse property debt assumed in connection with the acquisition of real estate			66,779
Contributions from Aimco Predecessor		955
Contribution from noncontrolling interest in consolidated real estate partnerships	3,159	11,667
Deferred tax liability assumed in connection with the acquisition of real estate			148,809
Net liabilities assumed in connection with the acquisition of real estate	(310)
Other non-cash transactions:
Accrued capital expenditures (at end of period)	$ 24,045	1,641	$ 1,966
Issuance of notes payable to AIR in connection with the Separation		534,127
Contributions from Aimco Predecessor, net		$ 131,447