Earnings Per Share/Unit - Reconciliation of Kimco OPs Earnings and Weighted-average Number of Shares Used in Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Net income/(loss) available to the Company's common shareholders		$ 125,134	$ (18,916)
Earnings attributable to participating securities		(604)	(680)
Net income available to the Company's common shareholders for basic earnings per share		124,530	(19,596)
Net income/(loss) available to the Company's common shareholders for diluted earnings per share		$ 124,530	$ (19,596)
Weighted average common shares outstanding – basic (in shares)		677,074	670,118
Equity awards	[1]	178	0
Assumed conversion of convertible units	[1]	47	0
Weighted average common shares outstanding – diluted (in shares)		677,299	670,118
Basic earnings per share (in dollars per share)		$ 0.18	$ (0.03)
Diluted earnings per share (in dollars per share)		$ 0.18	$ (0.03)
Kimco Realty OP, LLC [Member]
Net income/(loss) available to the Company's common shareholders		$ 125,345	$ (18,931)
Earnings attributable to participating securities		(631)	(680)
Net income available to the Company's common shareholders for basic earnings per share		124,714	(19,611)
Net income/(loss) available to the Company's common shareholders for diluted earnings per share		$ 124,714	$ (19,611)
Weighted average common shares outstanding – basic (in shares)		678,040	673,954
Equity awards	[2]	178	0
Assumed conversion of convertible units	[2]	47	0
Weighted average common shares outstanding – diluted (in shares)		678,265	673,954
Basic earnings per share (in dollars per share)		$ 0.18	$ (0.03)
Diluted earnings per share (in dollars per share)		$ 0.18	$ (0.03)

[1] The effect of the assumed conversion of certain convertible units/preferred shares had an anti-dilutive effect upon the calculation of Net income/(loss) available to the Company’s common shareholders per share. Accordingly, the impact of such conversions has not been included in the determination of diluted earnings per share calculations.

[2] The effect of the assumed conversion of certain convertible units/preferred units had an anti-dilutive effect upon the calculation of Net income/(loss) available to Kimco OP’s common unitholders per unit. Accordingly, the impact of such conversions has not been included in the determination of diluted earnings per unit calculations.