Noncontrolling Interests - Additional Information (Details) $ in Thousands			6 Months Ended		12 Months Ended
		Jan. 02, 2024 USD ($) shares	Jun. 30, 2025 USD ($) Property shares	Jun. 30, 2024 USD ($) shares	Dec. 31, 2022 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Noncontrolling Interest [Line Items]
Redeemable noncontrolling interests			$ 46,566	$ 70,010		$ 47,877	$ 72,277
Noncontrolling interest, decrease from redemptions or purchase of interests	[1]		$ 676	1,290
Long Island, NY [Member]
Noncontrolling Interest [Line Items]
Number of real estate properties | Property			8
Noncontrolling interest, increase from subsidiary equity issuance			$ 53,600
Embedded derivative, fair value of embedded derivative liability			17,000
Cash paid to noncontrolling interests to settle capital units			1,000	2,100
Increase (decrease) in other liabilities			$ 400	$ 800
Kimco Realty OP, LLC [Member]
Noncontrolling Interest [Line Items]
Subsidiary, ownership percentage, parent			99.79%
OP Units [Member]
Noncontrolling Interest [Line Items]
Redeemable units to company common stock, ratio			1
Redeemable noncontrolling interests			$ 28,100
Preferred Units [Member] | Long Island, NY [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interest, increase from subsidiary equity issuance					$ 122,100
Non-controlling interest, units redeemed (in shares) | shares			46,461	101,369
Common Units [Member] | Long Island, NY [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interest, increase from subsidiary equity issuance					$ 13,600
Non-controlling interest, units redeemed (in shares) | shares			5,162	3,441
Noncontrolling Interest [Member] | Long Island, NY [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interest, increase from subsidiary equity issuance			$ 36,600
Noncontrolling interest, decrease from redemptions or purchase of interests			$ 700	$ 1,300
RPT [Member] | OP Units [Member] | Kimco Realty OP, LLC [Member]
Noncontrolling Interest [Line Items]
Units issued during period, units, acquisitions (in shares) | shares		953,400
Units issued during period, value, acquisitions		$ 21,000

[1] Includes Preferred and Common Outside Partner Units, which were partially redeemed during the six months ended June 30, 2025 and 2024.