Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands		Preferred Stock [Member] Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member]	Preferred Stock [Member] Kimco Realty OP, LLC [Member] Common Stock 1 [Member]	Preferred Stock [Member] Kimco Realty OP, LLC [Member]	Preferred Stock [Member] Preferred Stock Issued [Member]	Preferred Stock [Member] Common Stock 1 [Member]	Preferred Stock [Member]	Common Stock [Member] Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member]	Common Stock [Member] Kimco Realty OP, LLC [Member] Common Stock 1 [Member]	Common Stock [Member] Kimco Realty OP, LLC [Member]	Common Stock [Member] Preferred Stock Issued [Member]	Common Stock [Member] Common Stock 1 [Member]	Common Stock [Member]	AOCI Attributable to Parent [Member] Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member]	AOCI Attributable to Parent [Member] Kimco Realty OP, LLC [Member] Common Stock 1 [Member]	AOCI Attributable to Parent [Member] Kimco Realty OP, LLC [Member]	AOCI Attributable to Parent [Member] Preferred Stock Issued [Member]	AOCI Attributable to Parent [Member] Common Stock 1 [Member]	AOCI Attributable to Parent [Member]	Parent [Member] Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member]	Parent [Member] Kimco Realty OP, LLC [Member] Common Stock 1 [Member]	Parent [Member] Kimco Realty OP, LLC [Member]	Parent [Member] Preferred Stock Issued [Member]	Parent [Member] Common Stock 1 [Member]	Parent [Member]	Noncontrolling Interest [Member] Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member]	Noncontrolling Interest [Member] Kimco Realty OP, LLC [Member] Common Stock 1 [Member]	Noncontrolling Interest [Member] Kimco Realty OP, LLC [Member]	Noncontrolling Interest [Member] Preferred Stock Issued [Member]	Noncontrolling Interest [Member] Common Stock 1 [Member]	Noncontrolling Interest [Member]	Additional Paid-in Capital [Member] Preferred Stock Issued [Member]	Additional Paid-in Capital [Member] Common Stock 1 [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member] Preferred Stock Issued [Member]	Retained Earnings [Member] Common Stock 1 [Member]	Retained Earnings [Member]	Kimco Realty OP, LLC [Member] Limited Partner [Member] Preferred Stock Issued [Member]	Kimco Realty OP, LLC [Member] Limited Partner [Member] Common Stock 1 [Member]	Kimco Realty OP, LLC [Member] Limited Partner [Member]	Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member]	Kimco Realty OP, LLC [Member] Common Stock 1 [Member]	Kimco Realty OP, LLC [Member]	Preferred Stock Issued [Member]	Common Stock 1 [Member]	Total
Balance (in shares) at Dec. 31, 2022				19			19			618,484			618,484																											0
Balance at Dec. 31, 2022				$ 469,027			$ 19			$ 9,035,900			$ 6,185			$ 10,581			$ 10,581			$ 9,515,508			$ 9,515,508			$ 131,401			$ 131,401			$ 9,618,271			$ (119,548)			$ 0			$ 9,646,909			$ 9,646,909
Net income/(loss)				6,251			0			283,512			0			0			0			289,763			289,763			4,013			4,013			0			289,763			0			293,776			293,776
Redeemable noncontrolling interests income				0			0			0			0			0			0			0			0			(1,546)			(1,546)			0			0			0			(1,546)			(1,546)
Dividends declared to preferred shares							0						0						0						(6,251)						0			0			(6,251)									(6,251)
Dividends declared to common shares							0						0						0						(142,574)						0			0			(142,574)									(142,574)
Repurchase of preferred stock				(320)			0			0			0			0			0			(320)			(320)			0			0			(320)			0			0			(320)			(320)
Distributions to noncontrolling interests				$ 0			$ 0			$ 0			$ 0			0			0			0			0			(1,063)			(1,063)			0			0			$ 0			(1,063)			(1,063)
Issuance of common stock (in shares)				0			0			1,988			1,988																											0
Issuance of common stock				$ 0			$ 0			$ 0			$ 20			0			0			0			0			0			0			(20)			0			$ 0			0			0
Surrender of restricted common stock (in shares)							0						(753)
Surrender of restricted common stock				$ 0			$ 0			$ (16,097)			$ (8)			0			0			(16,097)			(16,097)			0			0			(16,089)			0			$ 0			(16,097)			(16,097)
Exercise of common stock options (in shares)				0			0			173			173																											0
Exercise of common stock options				$ 0			$ 0			$ 3,727			$ 2			0			0			3,727			3,727			0			0			3,725			0			$ 0			3,727			3,727
Amortization of equity awards				$ 0			$ 0			$ 9,346			$ 0			0			0			9,346			9,346			0			0			9,346			0			$ 0			9,346			9,346
Change in unrealized gains on cash flow hedges for interest payments																																											0			0
Equity in unrealized gains on cash flow hedges for interest payments of unconsolidated investee																																											0			0
Surrender of common stock (in shares)				0						(753)																														0
Adjustment of redeemable noncontrolling interests to estimated fair value																																														(0)
Balance (in shares) at Mar. 31, 2023				19			19			619,892			619,892																											0
Balance at Mar. 31, 2023				$ 468,707			$ 19			$ 9,173,814			$ 6,199			10,581			10,581			9,653,102			9,653,102			132,805			132,805			9,614,913			21,390			$ 0			9,785,907			9,785,907
Distributions declared to preferred unitholders				(6,251)						0						0						(6,251)						0												0			(6,251)
Distributions declared to common unitholders				0						(142,574)						0						(142,574)						0												0			(142,574)
Distributions declared to preferred unitholders				6,251						(0)						(0)						6,251						(0)												(0)			6,251
Distributions declared to common unitholders				$ (0)						$ 142,574						(0)						142,574						(0)												$ (0)			142,574
Balance (in shares) at Dec. 31, 2023				19			19			619,871			619,871																											0
Balance at Dec. 31, 2023				$ 467,396			$ 19			$ 9,054,740			$ 6,199			3,329			3,329			9,525,465			9,525,465			127,993			127,993			9,638,494			(122,576)			$ 0			9,653,458			9,653,458
Net income/(loss)				7,942			0			(18,916)			0			0			0			(10,989)			(10,974)			1,951			1,936			0			(10,974)			(15)			(9,038)			(9,038)
Redeemable noncontrolling interests income				0			0			0			0			0			0			0			0			(1,137)			(1,137)			0			0			0			(1,137)			(1,137)
Dividends declared to preferred shares							0						0						0						(7,960)						0			0			(7,960)									(7,960)
Dividends declared to common shares							0						0						0						(161,792)						0			0			(161,792)									(161,792)
Distributions to noncontrolling interests				$ 0			$ 0			$ 0			$ 0			0			0			0			0			(1,502)			(1,760)			0			0			$ 0			(1,502)			(1,760)
Issuance of common stock (in shares)				0			0			1,967			1,967																											121
Issuance of common stock				$ 0			$ 0			$ 0			$ 20			0			0			0			0			0			0			(20)			0			$ 0			0			0
Surrender of restricted common stock				0						(14,659)						0						(14,659)						0												0			(14,659)
Amortization of equity awards				0			0			9,679			0			0			0			10,070			9,679			0			391			9,679			0			391			10,070			10,070
Change in unrealized gains on cash flow hedges for interest payments				0			0			0			0			6,459			6,459			6,459			6,459			0			0			0			0			0			6,459			6,459
Equity in unrealized gains on cash flow hedges for interest payments of unconsolidated investee				$ 0			0			$ 0			0			491			491			491			491			0			0			0			0			$ 0			491			491
Issuance of stock for merger (1) (in shares)	[1]	2	0		2	0		0	53,034		0	53,034																										0	953
Issuance of stock for merger (1)	[1]	$ 105,607	$ 0		$ 2	$ 0		$ 0	$ 1,166,764		$ 0	$ 530		$ 0	$ 0		$ 0	$ 0		$ 105,607	$ 1,187,739		$ 105,607	$ 1,166,764		$ 0	$ 0		$ 0	$ 0		$ 105,605	$ 1,166,234		$ 0	$ 0		$ 0	$ 20,975		$ 105,607	$ 1,187,739		$ 105,607	$ 1,166,764
Noncontrolling interests assumed from the merger (1)	[1]						$ 0						$ 0						0						0						20,975			0			0									20,975
Surrender of common stock (in shares)				0			0			(754)			(754)																											0
Surrender of common stock							$ 0						$ (8)						0						(14,659)						0			(14,651)			0									(14,659)
Redemption/conversion of noncontrolling interests				$ 0			0			$ (18)			0			0			0			(18)			(18)			(581)			(581)			(18)			0			$ 0			(599)			(599)
Adjustment of redeemable noncontrolling interests to estimated fair value				$ 0			$ 0			$ 977			$ 0			0			0			977			977			0			0			977			0			$ 0			977			977
Balance (in shares) at Mar. 31, 2024				21			21			674,118			674,118																											1,074
Balance at Mar. 31, 2024				$ 573,003			$ 21			$ 10,036,757			$ 6,741			10,279			$ 10,279			10,641,132			$ 10,620,039			126,724			$ 147,817			$ 10,906,300			$ (303,302)			$ 21,093			10,767,856			$ 10,767,856
Distributions declared to preferred unitholders				7,942						0						0						7,942						0												0			7,942
Distributions declared to common unitholders				0						161,810						0						162,068						0												258			162,068
Distributions declared to preferred unitholders				(7,942)						0						0						(7,942)						0												0			(7,942)
Distributions declared to common unitholders				$ 0						$ (161,810)						$ 0						$ (162,068)						$ 0												$ (258)			$ (162,068)
Redemption/conversion of noncontrolling interests (in shares)				0						0																														0

[1] See Footnotes 1 and 3 of the Notes to Condensed Consolidated Financial Statements for further details.