Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
Cash flow from operating activities:
Net income	$ 320,310	$ 299,445
Adjustments to reconcile net income to net cash flow provided by operating activities:
Depreciation and amortization	305,505	314,776
Impairment charges	6,666	8,179
Straight-line rental income adjustments, net	(13,979)	(10,564)
Amortization of above-market and below-market leases, net	(20,125)	(12,644)
Amortization of deferred financing costs and fair value debt adjustments, net	3,365	667
Equity award expense	18,856	18,349
Gain on sale of properties	(17,069)	(39,809)
Loss/(gain) on marketable securities/derivative, net	24	(2,448)
Equity in income, net	(57,300)	(46,700)
Distributions from joint ventures and other investments	64,022	44,661
Change in accounts and other receivables, net	11,138	11,599
Change in accounts payable and accrued expenses	753	(25,741)
Change in other operating assets	(9,161)	(19,279)
Change in other operating liabilities	(19,479)	(8,854)
Net cash flow provided by operating activities	588,307	529,216
Cash flow from investing activities:
Acquisition of operating real estate and other related net assets	(2,063)	(106,244)
Improvements to operating real estate	(173,625)	(138,210)
Investment in marketable securities	(1,025)	(1,003)
Proceeds from sale of marketable securities	1,179	500
Investments in preferred stock and cost method investments	(38)	(5,361)
Investments in and advances to real estate joint ventures	(1,432)	(2,909)
Distributions from real estate joint ventures in excess of equity in earnings	38,297	14,186
Investments in and advances to other investments	(3,318)	(3,012)
Distributions from other investments in excess of equity in earnings	855	1,195
Investment in mortgage and other financing receivables	(80,746)	(46,170)
Collection of mortgage and other financing receivables	49,951	50,144
Proceeds from sale of properties	43,856	2,119
Proceeds from insurance casualty claims	1,233	1,630
Net cash flow used for investing activities	(126,876)	(233,135)
Cash flow from financing activities:
Principal payments on debt, excluding normal amortization of rental property debt	(47,135)	(48,844)
Principal payments on rental property debt	(6,040)	(6,200)
Proceeds from mortgage loan financings	17,350	0
Proceeds from issuance of exchangeable senior notes	600,000	0
Proceeds from issuance of unsecured notes	0	500,000
Financing origination costs	(18,826)	(6,619)
Contributions from noncontrolling interests	426	0
Distributions to noncontrolling interests	(3,469)	(4,289)
Redemptions of noncontrolling interests	(39,746)	(1,045)
Dividends paid	(365,757)	(354,311)
Repurchase of preferred stock/units	0	(3,480)
Repurchase of common stock/units	(105,177)	(58,844)
Shares/Units repurchased for employee tax withholding on equity awards	(6,371)	(11,644)
Principal payments under finance lease obligations	0	(24,362)
Change in tenants' security deposits	903	2,157
Net cash flow provided by/(used for) financing activities	26,158	(757,986)
Net change in cash, cash equivalents and restricted cash	487,589	(461,905)
Cash, cash equivalents and restricted cash, beginning of the period	212,794	689,731
Cash, cash equivalents and restricted cash, end of the period	700,383	227,826
Interest paid (net of capitalized interest of $3,172 and $1,166, respectively)	165,078	167,401
Income taxes paid, net of refunds	522	25,773
Senior Unsecured Notes [Member]
Cash flow from financing activities:
Repayments of unsecured notes	0	(740,505)
Joint Ventures [Member]
Adjustments to reconcile net income to net cash flow provided by operating activities:
Equity in income, net	(57,257)	(46,673)
Other Real Estate Investments [Member]
Adjustments to reconcile net income to net cash flow provided by operating activities:
Equity in income, net	(5,262)	(2,448)
Kimco Realty OP, LLC [Member]
Cash flow from operating activities:
Net income	320,310	299,445
Adjustments to reconcile net income to net cash flow provided by operating activities:
Depreciation and amortization	305,505	314,776
Impairment charges	6,666	8,179
Straight-line rental income adjustments, net	(13,979)	(10,564)
Amortization of above-market and below-market leases, net	(20,125)	(12,644)
Amortization of deferred financing costs and fair value debt adjustments, net	3,365	667
Equity award expense	18,856	18,349
Gain on sale of properties	(17,069)	(39,809)
Loss/(gain) on marketable securities/derivative, net	24	(2,448)
Distributions from joint ventures and other investments	64,022	44,661
Change in accounts and other receivables, net	11,138	11,599
Change in accounts payable and accrued expenses	753	(25,741)
Change in other operating assets	(9,161)	(19,279)
Change in other operating liabilities	(19,479)	(8,854)
Net cash flow provided by operating activities	588,307	529,216
Cash flow from investing activities:
Acquisition of operating real estate and other related net assets	(2,063)	(106,244)
Improvements to operating real estate	(173,625)	(138,210)
Investment in marketable securities	(1,025)	(1,003)
Proceeds from sale of marketable securities	1,179	500
Investments in preferred stock and cost method investments	(38)	(5,361)
Investments in and advances to real estate joint ventures	(1,432)	(2,909)
Distributions from real estate joint ventures in excess of equity in earnings	38,297	14,186
Investments in and advances to other investments	(3,318)	(3,012)
Distributions from other investments in excess of equity in earnings	855	1,195
Investment in mortgage and other financing receivables	(80,746)	(46,170)
Collection of mortgage and other financing receivables	49,951	50,144
Proceeds from sale of properties	43,856	2,119
Proceeds from insurance casualty claims	1,233	1,630
Net cash flow used for investing activities	(126,876)	(233,135)
Cash flow from financing activities:
Principal payments on debt, excluding normal amortization of rental property debt	(47,135)	(48,844)
Principal payments on rental property debt	(6,040)	(6,200)
Proceeds from mortgage loan financings	17,350	0
Proceeds from issuance of exchangeable senior notes	600,000	0
Proceeds from issuance of unsecured notes	0	500,000
Financing origination costs	(18,826)	(6,619)
Contributions from noncontrolling interests	426	0
Distributions to noncontrolling interests	(2,555)	(3,660)
Redemptions of noncontrolling interests	(39,355)	(1,045)
Dividends paid	(366,671)	(354,940)
Repurchase of preferred stock/units	0	(3,480)
Repurchase of common stock/units	(105,568)	(58,844)
Shares/Units repurchased for employee tax withholding on equity awards	(6,371)	(11,644)
Principal payments under finance lease obligations	0	(24,362)
Change in tenants' security deposits	903	2,157
Net cash flow provided by/(used for) financing activities	26,158	(757,986)
Net change in cash, cash equivalents and restricted cash	487,589	(461,905)
Cash, cash equivalents and restricted cash, beginning of the period	212,794	689,731
Cash, cash equivalents and restricted cash, end of the period	700,383	227,826
Interest paid (net of capitalized interest of $3,172 and $1,166, respectively)	165,078	167,401
Income taxes paid, net of refunds	522	25,773
Kimco Realty OP, LLC [Member] | Senior Unsecured Notes [Member]
Cash flow from financing activities:
Repayments of unsecured notes	0	(740,505)
Kimco Realty OP, LLC [Member] | Joint Ventures [Member]
Adjustments to reconcile net income to net cash flow provided by operating activities:
Equity in income, net	(57,257)	(46,673)
Kimco Realty OP, LLC [Member] | Other Real Estate Investments [Member]
Adjustments to reconcile net income to net cash flow provided by operating activities:
Equity in income, net	$ (5,262)	$ (2,448)