Consolidated Statements of Changes in Equity - USD ($) $ in Thousands		Total	Preferred Stock [Member]	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Preferred Stock Issued [Member]	[1]	Preferred Stock Issued [Member] Preferred Stock [Member]	[1]	Preferred Stock Issued [Member] Paid-in Capital [Member]	[1]	Preferred Stock Issued [Member] Parent [Member]	[1]	Common Stock 1 [Member]	[1]	Common Stock 1 [Member] Common Stock [Member]	[1]	Common Stock 1 [Member] Paid-in Capital [Member]	[1]	Common Stock 1 [Member] Parent [Member]	[1]	Kimco Realty OP, LLC [Member]	Kimco Realty OP, LLC [Member] Preferred Stock [Member]	Kimco Realty OP, LLC [Member] Common Stock [Member]	Kimco Realty OP, LLC [Member] AOCI Attributable to Parent [Member]	Kimco Realty OP, LLC [Member] Parent [Member]	Kimco Realty OP, LLC [Member] Noncontrolling Interest [Member]	Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member]	[2]	Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member] Preferred Stock [Member]	[2]	Kimco Realty OP, LLC [Member] Preferred Stock Issued [Member] Parent [Member]	[2]	Kimco Realty OP, LLC [Member] Common Stock 1 [Member]	[2]	Kimco Realty OP, LLC [Member] Common Stock 1 [Member] Common Stock [Member]	[2]	Kimco Realty OP, LLC [Member] Common Stock 1 [Member] Parent [Member]	[2]	Kimco Realty OP, LLC [Member] Limited Partner [Member]	Kimco Realty OP, LLC [Member] Limited Partner [Member] Common Stock 1 [Member]	[2]
Balance (in shares) at Dec. 31, 2021			20,000	616,659,000																							20,000	616,659,000
Balance at Dec. 31, 2021		$ 10,110,182	$ 20	$ 6,167	$ 9,591,871	$ 299,115	$ 2,216	$ 9,899,389	$ 210,793																	$ 10,110,182	$ 472,533	$ 9,424,640	$ 2,216	$ 9,899,389	$ 210,793
Contributions from noncontrolling interest		891							891																	891					891
Net income (loss)		114,534				125,976		125,976	(11,442)																	114,534	25,218	100,758		125,976	(11,442)
Other comprehensive income:
Change in unrealized gains related to defined benefit plan		8,365					8,365	8,365																		8,365			8,365	8,365
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, net		0																								0
Redeemable noncontrolling interests income		(1,770)							(1,770)																	(1,770)					(1,770)
Distributions declared to preferred unitholders																										(25,218)	$ (25,218)			(25,218)
Distributions declared to common unitholders																										(519,421)		$ (519,421)		(519,421)
Dividends declared to preferred shares		(25,286)				(25,286)		(25,286)
Dividends declared to common shares		$ (519,417)				(519,417)		(519,417)
Repurchase of preferred units (in shares)		(567,450)	(1,000)																								(1,000)
Repurchase of preferred units		$ (3,442)	$ (1)		(3,505)	64		(3,442)																		(3,506)	$ (3,506)			(3,506)
Distributions to noncontrolling interests		(65,232)							(65,232)																	(65,232)					(65,232)
Issuance of common stock (in shares)				2,162,000																								2,368,000
Issuance of common stock		11,281		$ 22	11,259			11,281																		15,513		$ 15,513		15,513
Surrender of restricted common stock (in shares)				(616,000)																								(616,000)
Surrender of restricted common stock		$ (13,790)		$ (6)	(13,784)			(13,790)																		(13,790)		$ (13,790)		(13,790)
Exercise of common stock options (in shares)		205,871		206,000
Exercise of common stock options		$ 4,232		$ 1	4,231			4,232
Amortization of equity awards		26,602			26,602			26,602																		26,602		$ 26,602		26,602
Redemption/conversion of noncontrolling interests (in shares)				73,000																								73,000
Redemption/conversion of noncontrolling interests		(241)		$ 1	1,597			1,598	(1,839)																	(241)		$ 1,598		1,598	(1,839)
Balance (in shares) at Dec. 31, 2022			19,000	618,484,000																							19,000	618,484,000
Balance at Dec. 31, 2022		9,646,909	$ 19	$ 6,185	9,618,271	(119,548)	10,581	9,515,508	131,401																	9,646,909	$ 469,027	$ 9,035,900	10,581	9,515,508	131,401
Contributions from noncontrolling interest		13							13																	13					13
Net income (loss)		665,949				654,273		654,273	11,676																	665,949	25,021	629,252		654,273	11,676
Other comprehensive income:
Change in unrealized gains related to defined benefit plan		(10,581)					(10,581)	(10,581)																		(10,581)			(10,581)	(10,581)
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, net		3,329					3,329	3,329																		3,329			3,329	3,329
Redeemable noncontrolling interests income		(5,820)							(5,820)																	(5,820)					(5,820)
Distributions declared to preferred unitholders																										(25,021)	(25,021)			(25,021)
Distributions declared to common unitholders																										(632,280)		$ (632,280)		(632,280)
Dividends declared to preferred shares		(25,021)				(25,021)		(25,021)
Dividends declared to common shares		$ (632,280)				(632,280)		(632,280)
Repurchase of preferred units (in shares)		(761,149)
Repurchase of preferred units		$ (1,631)			(1,631)			(1,631)																		(1,631)	$ (1,631)			(1,631)
Distributions to noncontrolling interests		(5,614)							(5,614)																	(5,614)					(5,614)
Issuance of common stock (in shares)				1,988,000																								2,161,000
Issuance of common stock				$ 20	(20)																					3,727		$ 3,727		3,727
Surrender of restricted common stock (in shares)				(774,000)																								(774,000)
Surrender of restricted common stock		$ (16,327)		$ (8)	(16,319)			(16,327)																		(16,327)		$ (16,327)		(16,327)
Exercise of common stock options (in shares)		173,038		173,000
Exercise of common stock options		$ 3,727		$ 2	3,725			3,727
Amortization of equity awards		33,088			33,088			33,088																		33,088		33,088		33,088
Redemption/conversion of noncontrolling interests		(3,775)			(112)			(112)	(3,663)																	(3,775)		(112)		(112)	(3,663)
Adjustment of redeemable noncontrolling interests to estimated fair value		$ 1,492			1,492			1,492																		1,492		$ 1,492		1,492
Balance (in shares) at Dec. 31, 2023		19,367	19,000	619,871,000																							19,000	619,871,000
Balance at Dec. 31, 2023		$ 9,653,458	$ 19	$ 6,199	9,638,494	(122,576)	3,329	9,525,465	127,993																	9,653,458	$ 467,396	$ 9,054,740	3,329	9,525,465	127,993
Contributions from noncontrolling interest		399							399																	399					399
Net income (loss)		419,439				410,785		410,785	8,654																	419,439	31,763	379,022		411,440	7,999													$ 655
Other comprehensive income:
Change in unrealized gains related to defined benefit plan		0																								0
Unrealized gains on cash flow hedges for interest payments		7,239					7,239	7,239																		7,239			7,239	7,239
Equity in unrealized gains on cash flow hedges for interest payments of unconsolidated investee, net		470					470	470																		470			470	470
Redeemable noncontrolling interests income		(4,182)							(4,182)																	(4,182)					(4,182)
Distributions declared to preferred unitholders																										(31,763)	(31,763)			(31,763)
Distributions declared to common unitholders																										(656,279)		(655,238)		(656,279)														(1,041)
Dividends declared to preferred shares		(31,782)				(31,782)		(31,782)
Dividends declared to common shares		$ (655,219)				(655,219)		(655,219)
Repurchase of preferred units (in shares)		(792,317)
Repurchase of preferred units		$ (26,719)			(26,719)			(26,719)																		(26,719)	$ (23,415)	$ (3,304)		(26,719)
Distributions to noncontrolling interests		(5,674)							(5,674)																	(4,630)					(4,630)
Redemption of common units																										(3)				(3)														$ (3)
Issuance of stock for merger (in shares)												2,000								53,034,000														2,000						53,034,000					953,000
Issuance of stock for merger										$ 105,607		$ 2		$ 105,605		$ 105,607		$ 1,166,764		$ 530		$ 1,166,234		$ 1,166,764								$ 105,607		$ 105,607		$ 105,607		$ 1,187,739		$ 1,166,764		$ 1,187,739			$ 20,975
Issuance of common stock (in shares)				7,404,000																								7,404,000																121,000
Issuance of common stock		135,795		$ 74	135,721			135,795																		135,795		$ 135,795		135,795
Surrender of restricted common stock (in shares)				(815,000)																								(815,000)
Surrender of restricted common stock		(15,885)		$ (8)	(15,877)			(15,885)																		(15,885)		$ (15,885)		(15,885)
Amortization of equity awards		34,937			33,247			33,247	1,690																	34,937		33,247		34,937														$ 1,690
Noncontrolling interests assumed from the merger (1)	[1]	20,975							20,975
Redemption/conversion of noncontrolling interests		(4,668)			(178)			(178)	(4,490)																	(4,668)		(178)		(178)	(4,490)
Adjustment of redeemable noncontrolling interests to estimated fair value		$ (3,042)			(3,042)			(3,042)																		(3,042)		$ (3,042)		(3,042)
Balance (in shares) at Dec. 31, 2024		20,806	21,000	679,494,000																							21,000	679,494,000																1,074,000
Balance at Dec. 31, 2024		$ 10,797,912	$ 21	$ 6,795	$ 11,033,485	$ (398,792)	$ 11,038	$ 10,652,547	$ 145,365																	$ 10,797,912	$ 549,588	$ 10,091,921	$ 11,038	$ 10,674,823	$ 123,089													$ 22,276

[1] See Footnotes 1 and 2 of the Notes to Consolidated Financial Statements for further details.

[2] See Footnotes 1 and 2 of the Notes to Consolidated Financial Statements for further details.