Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flow from operating activities:
Net income/(loss)	$ 134,503	$ (9,038)
Adjustments to reconcile net income/(loss) to net cash flow provided by operating activities:
Depreciation and amortization	158,453	154,719
Impairment charges	534	3,701
Straight-line rental income adjustments, net	(6,299)	(7,405)
Amortization of above-market and below-market leases, net	(5,314)	(5,901)
Amortization of deferred financing costs and fair value debt adjustments, net	100	(710)
Equity award expense	6,725	10,044
Gain on sale of properties	(887)	(318)
Loss on marketable securities, net	9	27,686
Change in fair value of embedded derivative liability	316	1,842
Distributions from joint ventures and other investments	22,130	23,508
Change in accounts and notes receivable, net	7,385	22,446
Change in accounts payable and accrued expenses	(33,996)	4,533
Change in other operating assets and liabilities, net	(36,462)	(26,577)
Net cash flow provided by operating activities	223,813	176,091
Cash flow from investing activities:
Acquisition of operating real estate and other related net assets	(106,244)	0
Improvements to operating real estate	(52,117)	(44,083)
Acquisition of RPT Realty	0	(149,103)
Investment in marketable securities	(1)	(1)
Proceeds from sale of marketable securities	500	299,634
Investments in preferred stock and cost method investments	(5,000)	0
Investments in and advances to real estate joint ventures	(1,778)	(3,182)
Reimbursements of investments in and advances to real estate joint ventures	9,282	5,920
Investments in and advances to other investments	(1,210)	(2,894)
Reimbursements of investments in and advances to other investments	1,127	931
Investment in mortgage and other financing receivables	0	(9,000)
Collection of mortgage and other financing receivables	23,117	38,189
Proceeds from sale of properties	1,324	65,019
Proceeds from insurance casualty claims	446	0
Net cash flow (used for)/provided by investing activities	(130,554)	201,430
Cash flow from financing activities:
Principal payments on debt, excluding normal amortization of rental property debt	(48,844)	0
Principal payments on rental property debt	(3,485)	(2,724)
Proceeds from unsecured revolving credit facility, net	120,000	125,000
Financing origination costs	(22)	(1,538)
Redemption/distribution of noncontrolling interests	(3,054)	(4,904)
Dividends paid	(177,464)	(168,338)
Repurchase of preferred stock/units	(2,817)	0
Shares/Units repurchased for employee tax withholding on equity awards	(11,536)	(14,631)
Principal payments under finance lease obligations	(24,362)	0
Change in tenants' security deposits	1,097	324
Net cash flow used for financing activities	(650,487)	(1,024,511)
Net change in cash, cash equivalents and restricted cash	(557,228)	(646,990)
Cash, cash equivalents and restricted cash, beginning of the period	689,731	783,757
Cash, cash equivalents and restricted cash, end of the period	132,503	136,767
Interest paid (net of capitalized interest of $531 and $666, respectively)	84,019	73,556
Income taxes paid, net of refunds	23,370	51,157
Unsecured Term Loan [Member]
Cash flow from financing activities:
Proceeds from unsecured debt	0	510,000
Repayments of unsecured notes	0	(310,000)
Senior Unsecured Notes [Member]
Cash flow from financing activities:
Repayments of unsecured notes	(500,000)	(1,157,700)
Joint Ventures [Member]
Adjustments to reconcile net income/(loss) to net cash flow provided by operating activities:
Equity in income, net	(22,683)	(20,905)
Other Real Estate Investments [Member]
Adjustments to reconcile net income/(loss) to net cash flow provided by operating activities:
Equity in income, net	(701)	(1,534)
Kimco Realty OP, LLC [Member]
Cash flow from operating activities:
Net income/(loss)	134,503	(9,038)
Adjustments to reconcile net income/(loss) to net cash flow provided by operating activities:
Depreciation and amortization	158,453	154,719
Impairment charges	534	3,701
Straight-line rental income adjustments, net	(6,299)	(7,405)
Amortization of above-market and below-market leases, net	(5,314)	(5,901)
Amortization of deferred financing costs and fair value debt adjustments, net	100	(710)
Equity award expense	6,725	10,044
Gain on sale of properties	(887)	(318)
Loss on marketable securities, net	9	27,686
Change in fair value of embedded derivative liability	316	1,842
Distributions from joint ventures and other investments	22,130	23,508
Change in accounts and notes receivable, net	7,385	22,446
Change in accounts payable and accrued expenses	(33,996)	4,533
Change in other operating assets and liabilities, net	(36,462)	(26,577)
Net cash flow provided by operating activities	223,813	176,091
Cash flow from investing activities:
Acquisition of operating real estate and other related net assets	(106,244)	0
Improvements to operating real estate	(52,117)	(44,083)
Acquisition of RPT Realty	0	(149,103)
Investment in marketable securities	(1)	(1)
Proceeds from sale of marketable securities	500	299,634
Investments in preferred stock and cost method investments	(5,000)	0
Investments in and advances to real estate joint ventures	(1,778)	(3,182)
Reimbursements of investments in and advances to real estate joint ventures	9,282	5,920
Investments in and advances to other investments	(1,210)	(2,894)
Reimbursements of investments in and advances to other investments	1,127	931
Investment in mortgage and other financing receivables	0	(9,000)
Collection of mortgage and other financing receivables	23,117	38,189
Proceeds from sale of properties	1,324	65,019
Proceeds from insurance casualty claims	446	0
Net cash flow (used for)/provided by investing activities	(130,554)	201,430
Cash flow from financing activities:
Principal payments on debt, excluding normal amortization of rental property debt	(48,844)	0
Principal payments on rental property debt	(3,485)	(2,724)
Proceeds from unsecured revolving credit facility, net	120,000	125,000
Financing origination costs	(22)	(1,538)
Redemption/distribution of noncontrolling interests	(3,054)	(4,904)
Dividends paid	(177,464)	(168,338)
Repurchase of preferred stock/units	(2,817)	0
Shares/Units repurchased for employee tax withholding on equity awards	(11,536)	(14,631)
Principal payments under finance lease obligations	(24,362)	0
Change in tenants' security deposits	1,097	324
Net cash flow used for financing activities	(650,487)	(1,024,511)
Net change in cash, cash equivalents and restricted cash	(557,228)	(646,990)
Cash, cash equivalents and restricted cash, beginning of the period	689,731	783,757
Cash, cash equivalents and restricted cash, end of the period	132,503	136,767
Interest paid (net of capitalized interest of $531 and $666, respectively)	84,019	73,556
Income taxes paid, net of refunds	23,370	51,157
Kimco Realty OP, LLC [Member] | Unsecured Term Loan [Member]
Cash flow from financing activities:
Proceeds from unsecured debt	0	510,000
Repayments of unsecured notes	0	(310,000)
Kimco Realty OP, LLC [Member] | Senior Unsecured Notes [Member]
Cash flow from financing activities:
Repayments of unsecured notes	(500,000)	(1,157,700)
Kimco Realty OP, LLC [Member] | Joint Ventures [Member]
Adjustments to reconcile net income/(loss) to net cash flow provided by operating activities:
Equity in income, net	(22,683)	(20,905)
Kimco Realty OP, LLC [Member] | Other Real Estate Investments [Member]
Adjustments to reconcile net income/(loss) to net cash flow provided by operating activities:
Equity in income, net	$ (701)	$ (1,534)