Earnings per Share and per Unit (Tables)

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Reconciliations of Numerator and Denominator in Calculations of Basic and Diluted Earnings per Share and per Unit

Reconciliations of the numerator and denominator in the calculations of basic and diluted earnings per share and per unit for the years ended December 31, 2023, 2022 and 2021, are as follows (in thousands, except per share and per unit data):

	Year ended December 31,
	2023			2022			2021
Earnings per share
Numerator:
Net income (loss) attributable to Aimco	$	(166,196	)	$	75,726		$	(5,910	)
Net income (loss) allocated to Aimco participating securities		—			(1,087	)		—
Net income (loss) attributable to Aimco common stockholders	$	(166,196	)	$	74,639		$	(5,910	)
Denominator - shares:
Basic weighted-average common stock outstanding		143,618			149,395			149,480
Diluted share equivalents outstanding		—			1,439			—
Diluted weighted-average common stock outstanding		143,618			150,834			149,480
Earnings (loss) per share - basic	$	(1.16	)	$	0.50		$	(0.04	)
Earnings (loss) per share - diluted	$	(1.16	)	$	0.49		$	(0.04	)
Earnings per unit
Numerator:
Net income (loss) attributable to Aimco Operating Partnership	$	(175,234	)	$	79,657		$	(6,207	)
Net income (loss) allocated to Aimco Operating Partnership participating securities		—			(1,131	)		—
Net income (loss) attributable to Aimco Operating Partnership's common unit holders	$	(175,234	)	$	78,526		$	(6,207	)
Denominator - units
Basic weighted-average OP Units outstanding		151,371			157,317			157,701
Diluted OP Unit equivalents outstanding		—			1,457			-
Diluted weighted-average OP Units outstanding		151,371			158,774			157,701
Earnings (loss) per unit - basic	$	(1.16	)	$	0.50		$	(0.04	)
Earnings (loss) per unit - diluted	$	(1.16	)	$	0.49		$	(0.04	)