Stockholders' Equity - Additional Information (Details) $ / shares in Units, $ in Millions			1 Months Ended	6 Months Ended
		Jan. 02, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) $ / shares	Jun. 30, 2024 USD ($) $ / shares shares	Jan. 31, 2024 shares	Dec. 31, 2023 $ / shares
Class of Stock [Line Items]
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares				$ 1		$ 1
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares				$ 0.01		$ 0.01
ATM Program [Member]
Class of Stock [Line Items]
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares			$ 0.01
Maximum Aggregate Sales Price | $			$ 500.0
Stock Issued During Period, Shares, New Issues (in shares)				0
Common Stock Available for Issuance, Value | $				$ 500.0
Class N Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares	[1]			$ 1
RPT [Member]
Class of Stock [Line Items]
Common stock converted, shares issued		0.6049
RPT [Member] | Class N Preferred Stock [Member]
Class of Stock [Line Items]
Stock Issued During Period, Shares, Acquisitions (in shares)		1,849
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares		$ 1
Stock Issued During Period, Value, Acquisitions | $		$ 105.6
Preferred Stock, Convertible, Conversion Ratio		2.3071
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)				4,300,000
RPT [Member] | Class N Cumulative Convertible Preferred Stock Depositary Shares [Member]
Class of Stock [Line Items]
Stock Issued During Period, Shares, Acquisitions (in shares)		1,848,539
Share Repurchase Program [Member]
Class of Stock [Line Items]
Stock Repurchased During Period, Shares (in shares)				0
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares				$ 0.01
Stock Repurchase Program, Authorized Amount | $				$ 300.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $				$ 224.9
Share Repurchase Program [Member] | Preferred Stock [Member]
Class of Stock [Line Items]
Stock Repurchased During Period, Shares (in shares)				0
Share Repurchase Program [Member] | Class N Cumulative Convertible Preferred Stock Depositary Shares [Member]
Class of Stock [Line Items]
Share Repurchase Program, Authorized, Number of Shares (in shares)					185,000
Share Repurchase Program [Member] | Class L Cumulative Redeemable Preferred Stock Depositary Shares[Member]
Class of Stock [Line Items]
Share Repurchase Program, Authorized, Number of Shares (in shares)					891,000
Share Repurchase Program [Member] | Class M Cumulative Redeemable Preferred Stock Depositary Shares [Member]
Class of Stock [Line Items]
Share Repurchase Program, Authorized, Number of Shares (in shares)					1,047,000
Conversion of RPT Realty Shares Into Kimco Common Shares [Member] | RPT [Member]
Class of Stock [Line Items]
Stock Issued During Period, Shares, Acquisitions (in shares)		53,000,000
Common stock converted, shares issued		0.6049

[1] In connection with the RPT Merger, the Company issued 1,849 shares of Class N Preferred Stock with a par value of $1.00 per share, represented by 1,848,539 depositary shares, which had a fair market value of $105.6 million. The Class N Preferred Stock depositary shares are convertible by the holders at an exchange ratio of 2.3071 into the Company’s common shares or under certain circumstances by the Company’s election. As of June 30, 2024, the Class N Preferred Stock was potentially convertible into 4.3 million shares of common stock.