Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income/(Loss)	Parent [Member]	Noncontrolling Interest [Member]	Preferred Units [Member]	Preferred Units [Member] Paid-in Capital [Member]	Preferred Units [Member] Retained Earnings [Member]	Preferred Units [Member] Parent [Member]	Common Units [Member]	Common Units [Member] Common Stock [Member]	Common Units [Member] Paid-in Capital [Member]	Common Units [Member] Parent [Member]	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] Accumulated Other Comprehensive Income/(Loss)	Kimco Realty OP, LLC [Member] Parent [Member]	Kimco Realty OP, LLC [Member] Noncontrolling Interest [Member]	Kimco Realty OP, LLC [Member] Preferred Units [Member]	Kimco Realty OP, LLC [Member] Preferred Units [Member] Preferred Stock [Member]	Kimco Realty OP, LLC [Member] Preferred Units [Member] Common Stock [Member]	Kimco Realty OP, LLC [Member] Preferred Units [Member] Parent [Member]	Kimco Realty OP, LLC [Member] Common Units [Member]	Kimco Realty OP, LLC [Member] Common Units [Member] Common Stock [Member]	Kimco Realty OP, LLC [Member] Common Units [Member] Parent [Member]	Kimco Realty OP, LLC [Member] Limited Partner [Member]
Balance (in shares) at Dec. 31, 2024		21	679,494															21	679,494											1,074
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
Net income	299,445				295,803		295,803	3,642									299,445
Net income																	299,445	15,239	280,564		296,361	3,084								558
Other comprehensive income/(loss)
Change in fair value of cash flow hedges for interest payments	(15,709)					(15,709)	(15,709)										(15,709)			(15,709)	(15,709)
Equity in change in fair value of cash flow hedges for interest payments of unconsolidated investees	(3,119)					(3,119)	(3,119)										(3,119)			(3,119)	(3,119)
Redeemable noncontrolling interests income	(1,469)							(1,469)									(1,469)					(1,469)
Distributions declared to preferred unitholders																	(15,109)	$ (15,109)			(15,109)
Distributions declared to common unitholders																	(339,788)		$ (339,159)		(339,788)									$ (629)
Dividends declared to preferred shares	(15,091)				(15,091)		(15,091)
Dividends declared to common shares	(339,177)				(339,177)		(339,177)
Repurchase of stock (in shares)														(3,000)														(3,000)
Repurchase of stock									$ (3,480)	$ (3,332)	$ (148)	$ (3,480)	$ (58,844)	$ (30)	$ (58,814)	$ (58,844)							$ (3,480)	$ (3,462)	$ (18)	$ (3,480)	$ (58,844)	$ (58,844)	$ (58,844)
Distributions to noncontrolling interests	(2,819)							(2,819)									(2,190)					(2,190)
Issuance of equity awards, (in shares)			1,241																1,241											371
Issuance of equity awards	6,425		$ 12	2,093			2,105	4,320									6,425		$ 2,105		6,425									$ 4,320
Surrender of restricted common stock (in shares)			(530)																(530)
Surrender of restricted common stock	(11,646)		$ (5)	(11,641)			(11,646)										(11,646)		$ (11,646)		(11,646)
Amortization of equity awards	18,349			16,731			16,731	1,618									18,349		16,731		18,349									$ 1,618
Redemption/conversion of noncontrolling interests				(78)			(78)	(78)											(78)		(78)	78
Adjustment of redeemable noncontrolling interests to estimated fair value	633			633			633										633		$ 633		633
Balance (in shares) at Jun. 30, 2025		21	677,205															21	677,205											1,445
Balance at Jun. 30, 2025	10,671,410	$ 21	$ 6,772	10,979,077	(457,405)	(7,790)	10,520,675	150,735									10,671,410	$ 546,256	$ 9,982,209	(7,790)	10,548,818	122,592								$ 28,143
Balance (in shares) at Mar. 31, 2025		21	679,497															21	679,497											1,074
Balance at Mar. 31, 2025	10,733,977	$ 21	$ 6,795	11,025,904	(443,533)	(911)	10,588,276	145,701									10,733,977	$ 546,901	$ 10,042,286	(911)	10,611,153	122,824								$ 22,877
Net income	164,942				162,986		162,986	1,956									164,942
Net income																	164,942	7,556	155,430		163,333	1,609								347
Other comprehensive income/(loss)
Change in fair value of cash flow hedges for interest payments	(5,440)					(5,440)	(5,440)										(5,440)			(5,440)	(5,440)
Equity in change in fair value of cash flow hedges for interest payments of unconsolidated investees	(1,439)					(1,439)	(1,439)										(1,439)			(1,439)	(1,439)
Redeemable noncontrolling interests income	(656)							(656)									(656)					(656)
Distributions declared to preferred unitholders																	(7,556)	$ (7,556)			(7,556)
Distributions declared to common unitholders																	(169,644)		$ (169,284)		(169,644)									$ (360)
Dividends declared to preferred shares	(7,538)				(7,538)		(7,538)
Dividends declared to common shares	(169,302)				(169,302)		(169,302)
Repurchase of stock (in shares)														(3,000)					(3,000)
Repurchase of stock									$ (663)	$ (645)	$ (18)	$ (663)	(58,844)	$ (30)	(58,814)	(58,844)	(58,844)		$ (58,844)		(58,844)		$ (663)	$ (645)	$ (18)	$ (663)
Distributions to noncontrolling interests	(1,623)							(1,623)									(1,263)					(1,263)
Issuance of equity awards, (in shares)			716																716											371
Issuance of equity awards	6,425		$ 7	2,098			2,105	4,320									6,425		$ 2,105		6,425									$ 4,320
Surrender of restricted common stock (in shares)			(8)																(8)
Surrender of restricted common stock	(110)		$ 0	(110)			(110)										(110)		$ (110)		(110)
Amortization of equity awards	11,625			10,666			10,666	959									11,625		10,666		11,625									$ 959
Redemption/conversion of noncontrolling interests				(78)			(78)	78											(78)		(78)	78
Adjustment of redeemable noncontrolling interests to estimated fair value	56			56			56										56		$ 56		56
Balance (in shares) at Jun. 30, 2025		21	677,205															21	677,205											1,445
Balance at Jun. 30, 2025	10,671,410	$ 21	$ 6,772	10,979,077	(457,405)	(7,790)	10,520,675	150,735									10,671,410	$ 546,256	$ 9,982,209	(7,790)	10,548,818	122,592								$ 28,143
Balance (in shares) at Dec. 31, 2025		21	674,093															21	674,093											1,445
Balance at Dec. 31, 2025	10,543,372	$ 21	$ 6,741	10,922,596	(528,730)	(8,792)	10,391,836	151,536									10,543,372	$ 546,256	$ 9,854,372	(8,792)	10,422,019	121,353								$ 30,183
Contributions from noncontrolling interests	426							426									426					426
Net income	320,310				318,192		318,192	2,118									320,310
Net income																	320,310	15,072	303,120		319,021	1,289								829
Other comprehensive income/(loss)
Change in fair value of cash flow hedges for interest payments	11,706					11,706	11,706										11,706			11,706	11,706
Equity in change in fair value of cash flow hedges for interest payments of unconsolidated investees	1,876					1,876	1,876										1,876			1,876	1,876
Redeemable noncontrolling interests income	(359)							(359)									(359)					(359)
Distributions declared to preferred unitholders																	(15,072)	$ (15,072)			(15,072)
Distributions declared to common unitholders																	(351,599)		$ 350,685		351,599									$ 914
Dividends declared to preferred shares	(15,072)				(15,072)		(15,072)
Dividends declared to common shares	(350,685)				(350,685)		(350,685)
Repurchase of stock (in shares)														(4,149)					(4,149)											(19)
Repurchase of stock													(105,177)	$ (41)	(105,136)	(105,177)	(105,568)		$ (105,177)		(105,568)									$ (391)
Distributions to noncontrolling interests	(3,110)							(3,110)									(2,196)					(2,196)
Issuance of equity awards, (in shares)			614																614											333
Issuance of equity awards	4,121		$ 6	37			43	4,078									4,121		$ 43		4,121									$ 4,078
Surrender of restricted common stock (in shares)			(312)																(312)
Surrender of restricted common stock	(6,371)		$ (4)	(6,367)			(6,371)										(6,371)		$ (6,371)		(6,371)
Amortization of equity awards	18,856			15,602			15,602	3,254									18,856		15,602		18,856									$ 3,254
Redemption/conversion of noncontrolling interests	3,434			3,937			3,937	(503)									3,825		3,937		3,937	(112)
Adjustment of redeemable noncontrolling interests to estimated fair value	(286)			(286)			(286)										(286)		$ (286)		(286)
Balance (in shares) at Jun. 30, 2026		21	670,246															21	670,246											1,759
Balance at Jun. 30, 2026	10,423,041	$ 21	$ 6,702	10,830,383	(576,295)	4,790	10,265,601	157,440									10,423,041	$ 546,256	$ 9,714,555	4,790	10,302,640	120,401								$ 37,039
Balance (in shares) at Mar. 31, 2026		21	674,403															21	674,403											1,759
Balance at Mar. 31, 2026	10,545,602	$ 21	$ 6,744	10,931,040	(546,714)	(2,185)	10,388,906	156,696									10,545,602	$ 546,256	$ 9,844,835	(2,185)	10,424,283	121,319								$ 35,377
Contributions from noncontrolling interests	350							350									350					350
Net income	153,963				153,294		153,294	669									153,963
Net income																	153,963	7,536	145,758		153,693	270								399
Other comprehensive income/(loss)
Change in fair value of cash flow hedges for interest payments	6,278					6,278	6,278										6,278			6,278	6,278
Equity in change in fair value of cash flow hedges for interest payments of unconsolidated investees	697					697	697										697			697	697
Distributions declared to preferred unitholders																	(7,536)	$ (7,536)			(7,536)
Distributions declared to common unitholders																	(175,796)		$ (175,339)		(175,796)									(457)
Dividends declared to preferred shares	(7,536)				(7,536)		(7,536)
Dividends declared to common shares	(175,339)				(175,339)		(175,339)
Repurchase of stock (in shares)														(4,126)					(4,126)
Repurchase of stock													$ (104,715)	$ (41)	$ (104,674)	$ (104,715)	(104,715)		$ (104,715)		(104,715)
Distributions to noncontrolling interests	(1,883)							(1,883)									(1,426)					(1,426)
Surrender of restricted common stock (in shares)			(31)																(31)
Surrender of restricted common stock	(329)		$ (1)	(328)			(329)										(329)		$ (329)		(329)
Amortization of equity awards	6,128			4,408			4,408	1,720									6,128		4,408		6,128									$ 1,720
Redemption/conversion of noncontrolling interests	(175)			(63)			(63)	(112)									(175)		$ (63)		(63)	(112)
Balance (in shares) at Jun. 30, 2026		21	670,246															21	670,246											1,759
Balance at Jun. 30, 2026	$ 10,423,041	$ 21	$ 6,702	$ 10,830,383	$ (576,295)	$ 4,790	$ 10,265,601	$ 157,440									$ 10,423,041	$ 546,256	$ 9,714,555	$ 4,790	$ 10,302,640	$ 120,401								$ 37,039