Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	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 [Member]	Common Stock [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2020	20,000	432,519,000					20,000	432,519,000
Balance at Dec. 31, 2020	$ 472,533	$ 5,135,511	$ 0	$ 5,608,044	$ 62,210	$ 5,670,254	$ 20	$ 4,325	$ 0	$ 5,608,044	$ 62,210	$ 5,766,511	$ (162,812)	$ 5,670,254
Net income (loss)	25,420	818,639	0	844,059	5,637	849,696	0	0	0	844,059	5,637	0	844,059	849,696
Change in unrealized gains related to defined benefit plan	0	0	2,216	2,216	0	2,216	0	0	2,216	2,216	0	0	0	2,216
Redeemable noncontrolling interests income	0	0	0	0	(751)	(751)	0	0	0	0	(751)	0	0	(751)
Dividends declared to preferred shares										(25,420)			(25,420)	(25,420)
Dividends declared to common shares							0	0	0	(356,712)	0	0	(356,712)	(356,712)
Distributions to noncontrolling interests	$ 0	$ 0	0	0	(28,707)	(28,707)	$ 0	$ 0	0	0	(28,707)	0	0	(28,707)
Issuance of common stock, net of issuance costs (in shares)	0	5,274,000					0	4,958,000
Issuance of common stock, net of issuance costs	$ 0	$ 82,989	0	82,989	0	82,989	$ 0	$ 50	0	76,929	0	76,879	0	76,929
Issuance of common stock for Weingarten Realty Investors merger (in shares)	0	179,920,000					0	179,920,000
Issuance of common stock for Weingarten Realty Investors merger	$ 0	$ 3,738,735	0	3,738,735	0	3,738,735	$ 0	$ 1,799	0	3,738,735	0	3,736,936	0	3,738,735
Surrender of common stock for taxes (in shares)	0	(1,127,000)					0	(1,127,000)
Surrender of common stock for taxes	$ 0	$ (20,909)	0	(20,909)	0	(20,909)	$ 0	$ (11)	0	(20,909)	0	(20,898)	0	$ (20,909)
Exercise of common stock options (in shares)							0	316,000						315,750
Exercise of common stock options							$ 0	$ 3	0	6,060	0	6,057	0	$ 6,060
Amortization of equity awards	0	22,543	0	22,543	0	22,543	0	0	0	22,543	0	22,543	0	22,543
Noncontrolling interests assumed from the Weingarten Realty Investors merger	$ 0	$ 0	0	0	177,039	177,039	$ 0	$ 0	0	0	177,039	0	0	177,039
Redemption/conversion of noncontrolling interests (in shares)	0	(73,000)					0	(73,000)
Redemption/conversion of noncontrolling interests	$ 0	$ 1,540	0	1,540	(4,635)	(3,095)	$ 0	$ 1	0	1,540	(4,635)	1,539	0	(3,095)
Redemption/conversion of noncontrolling interests (in shares)	0	73,000					(0)	73,000
Adjustment of redeemable noncontrolling interests to estimated fair value	$ 0	$ 2,304	0	2,304	0	2,304	$ 0	$ 0	0	2,304	0	2,304	0	$ 2,304
Repurchase of preferred stock (in shares)														(1,084,953)
Change in unrealized gains related to equity method investments						0								$ 0
Amortization of equity awards	$ 0	$ (22,543)	0	(22,543)	0	(22,543)	$ 0	$ 0	0	(22,543)	0	(22,543)	0	(22,543)
Balance (in shares) at Dec. 31, 2021	20,000	616,659,000					20,000	616,659,000
Balance at Dec. 31, 2021	$ 472,533	$ 9,424,640	2,216	9,899,389	210,793	10,110,182	$ 20	$ 6,167	2,216	9,899,389	210,793	9,591,871	299,115	10,110,182
Distributions declared to preferred unitholders	(25,420)	0	0	(25,420)	0	(25,420)
Distributions declared to common unitholders	0	(356,712)	0	(356,712)		(356,712)
Redeemable noncontrolling interests income	(0)	(0)	(0)	(0)	751	751	(0)	(0)	(0)	(0)	751	(0)	(0)	751
Net income (loss)	$ 25,218	$ 100,758	0	125,976	(11,442)	114,534	0	0	0	125,976	(11,442)	0	125,976	114,534
Change in unrealized gains related to defined benefit plan			8,365	8,365		8,365	0	0	8,365	8,365	0	0	0	8,365
Redeemable noncontrolling interests income					(1,770)	(1,770)	0	0	0	0	(1,770)	0	0	(1,770)
Dividends declared to preferred shares										(25,286)			(25,286)	(25,286)
Dividends declared to common shares							0	0	0	(519,417)	0	0	(519,417)	(519,417)
Distributions to noncontrolling interests					(65,232)	(65,232)	$ 0	$ 0	0	0	(65,232)	0	0	(65,232)
Issuance of common stock, net of issuance costs (in shares)	0	2,368,000					0	2,162,000
Issuance of common stock, net of issuance costs	$ 0	$ 15,513	0	15,513	0	15,513	$ 0	$ 22	0	11,281	0	11,259	0	$ 11,281
Surrender of common stock for taxes (in shares)		(616,000)
Exercise of common stock options (in shares)							0	206,000						205,871
Exercise of common stock options							$ 0	$ 1	0	4,232	0	4,231	0	$ 4,232
Amortization of equity awards		$ 26,602		26,602		26,602	$ 0	$ 0	0	26,602	0	26,602	0	26,602
Redemption/conversion of noncontrolling interests (in shares)							0	(73,000)
Redemption/conversion of noncontrolling interests		1,598		1,598	(1,839)	(241)	$ 0	$ 1	0	1,598	(1,839)	1,597	0	(241)
Redemption/conversion of noncontrolling interests (in shares)							0	73,000
Contributions from noncontrolling interest	0	0	0	0	891	891	$ 0	$ 0	0	0	891	0	0	$ 891
Repurchase of preferred stock (in shares)							(1,000)	0						(567,450)
Repurchase of preferred stock	$ (3,506)			(3,506)		(3,506)	$ (1)	$ 0	0	(3,442)	0	(3,505)	64	$ (3,442)
Surrender of restricted common stock (in shares)							0	(616,000)
Surrender of restricted common stock		(13,790)		(13,790)		(13,790)	$ 0	$ (6)	0	(13,790)	0	(13,784)	0	(13,790)
Change in unrealized gains related to equity method investments						0								0
Amortization of equity awards		$ (26,602)		(26,602)		(26,602)	$ 0	$ 0	0	(26,602)	0	(26,602)	0	(26,602)
Balance (in shares) at Dec. 31, 2022	19,000	618,484,000					19,000	618,484,000
Balance at Dec. 31, 2022	$ 469,027	$ 9,035,900	10,581	9,515,508	131,401	9,646,909	$ 19	$ 6,185	10,581	9,515,508	131,401	9,618,271	(119,548)	9,646,909
Distributions declared to preferred unitholders	$ (25,218)			(25,218)		(25,218)
Distributions declared to common unitholders		(519,421)		(519,421)		(519,421)
Repurchase of preferred units (in shares)	(1,000)
Redeemable noncontrolling interests income					1,770	1,770	(0)	(0)	(0)	(0)	1,770	(0)	(0)	1,770
Net income (loss)	$ 25,021	629,252	0	654,273	11,676	665,949	0	0	0	654,273	11,676	0	654,273	665,949
Change in unrealized gains related to defined benefit plan	0	0	(10,581)	(10,581)	0	(10,581)	0	0	(10,581)	(10,581)	0	0	0	(10,581)
Redeemable noncontrolling interests income	0	0	0	0	5,820	5,820	0	0	0	0	(5,820)	0	0	(5,820)
Dividends declared to preferred shares							0	0	0	(25,021)	0	0	(25,021)	(25,021)
Dividends declared to common shares							0	0	0	(632,280)	0	0	(632,280)	(632,280)
Distributions to noncontrolling interests	$ 0	$ 0	0	0	(5,614)	(5,614)	$ 0	$ 0	0	0	(5,614)	0	0	(5,614)
Issuance of common stock, net of issuance costs (in shares)		2,161,000					0	1,988,000
Issuance of common stock, net of issuance costs		$ 3,727		3,727		3,727	$ 0	$ 20	0	0	0	(20)	0	$ 0
Surrender of common stock for taxes (in shares)	0	(774,000)					0	(774,000)
Exercise of common stock options (in shares)							0	173,000						173,038
Exercise of common stock options							$ 0	$ 2	0	3,727	0	3,725	0	$ 3,727
Amortization of equity awards	$ 0	$ 33,088	0	33,088	0	33,088	(0)	(0)	(0)	(33,088)	(0)	(33,088)	(0)	(33,088)
Redemption/conversion of noncontrolling interests	0	(112)	0	(112)	(3,663)	(3,775)	0	0	0	(112)	(3,663)	(112)	0	(3,775)
Adjustment of redeemable noncontrolling interests to estimated fair value	0	1,492	0	1,492	0	1,492	0	0	0	1,492	0	1,492	0	1,492
Contributions from noncontrolling interest	0	0	0	0	13	13	0	0	0	0	13	0	0	$ 13
Repurchase of preferred stock (in shares)														(761,149)
Surrender of restricted common stock	0	(16,327)	0	(16,327)	0	(16,327)	0	(8)	0	(16,327)	0	(16,319)	0	$ (16,327)
Change in unrealized gains related to equity method investments	0	0	3,329	3,329	0	3,329	0	0	3,329	3,329	0	0	0	3,329
Repurchase of preferred stock	(1,631)	0	0	(1,631)	0	(1,631)	0	0	0	(1,631)	0	(1,631)	0	(1,631)
Amortization of equity awards	$ 0	$ (33,088)	0	(33,088)	0	(33,088)	$ 0	$ 0	0	33,088	0	33,088	0	33,088
Balance (in shares) at Dec. 31, 2023	19,000	619,871,000					19,000	619,871,000
Balance at Dec. 31, 2023	$ 467,396	$ 9,054,740	3,329	9,525,465	127,993	9,653,458	$ 19	$ 6,199	3,329	9,525,465	127,993	9,638,494	(122,576)	9,653,458
Distributions declared to preferred unitholders	(25,021)	0	0	(25,021)	0	(25,021)
Distributions declared to common unitholders	0	(632,280)	0	(632,280)	0	(632,280)
Redeemable noncontrolling interests income	$ 0	$ 0	$ 0	$ 0	$ (5,820)	$ (5,820)	$ (0)	$ (0)	$ (0)	$ (0)	$ 5,820	$ (0)	$ (0)	$ 5,820