Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Assets:
Real estate, net of accumulated depreciation and amortization of $3,523,503 and $3,417,414, respectively		$ 15,108,018	$ 15,039,828
Cash and cash equivalents		329,177	149,829
Marketable securities		451,583	597,732
Accounts and notes receivable, net		303,063	304,226
Operating lease right-of-use assets, net		132,020	133,733
Other assets		411,956	401,642
Total assets	[1]	17,961,229	17,826,122
Liabilities:
Notes payable, net		6,778,050	6,780,969
Mortgages payable, net		374,285	376,917
Accounts payable and accrued expenses		203,053	207,815
Dividends payable		5,322	5,326
Operating lease liabilities		112,413	113,679
Other liabilities		609,266	601,574
Total liabilities	[1]	8,082,389	8,086,280
Redeemable noncontrolling interests		92,933	92,933
Commitments and Contingencies (Footnote 17)
Stockholders' equity:
Preferred stock, $1.00 par value, authorized 7,054,000 shares; Issued and outstanding (in series) 19,421 and 19,435 shares, respectively; Aggregate liquidation preference $485,536 and $489,868, respectively		19	19
Common stock, $.01 par value, authorized 750,000,000 shares; Issued and outstanding 619,891,809 and 618,483,565 shares, respectively		6,199	6,185
Paid-in capital		9,614,913	9,618,271
Retained earnings		21,390	(119,548)
Accumulated other comprehensive income		10,581	10,581
Total stockholders' equity		9,653,102	9,515,508
Noncontrolling interests		132,805	131,401
Total equity		9,785,907	9,646,909
Total liabilities and equity		17,961,229	17,826,122
Members' capital:
Accumulated other comprehensive income		10,581	10,581
Noncontrolling interests		132,805	131,401
Total equity		9,785,907	9,646,909
Total liabilities and equity		17,961,229	17,826,122
Investments in and Advances to Real Estate Joint Ventures [Member]
Assets:
Investments in and advances to real estate joint ventures		1,092,477	1,091,551
Other Real Estate Investments [Member]
Assets:
Other investments		132,935	107,581
Kimco Realty OP, LLC [Member]
Assets:
Real estate, net of accumulated depreciation and amortization of $3,523,503 and $3,417,414, respectively		15,108,018	15,039,828
Cash and cash equivalents		329,177	149,829
Marketable securities		451,583	597,732
Accounts and notes receivable, net		303,063	304,226
Operating lease right-of-use assets, net		132,020	133,733
Other assets		411,956	401,642
Total assets	[1]	17,961,229	17,826,122
Liabilities:
Notes payable, net		6,778,050	6,780,969
Mortgages payable, net		374,285	376,917
Accounts payable and accrued expenses		203,053	207,815
Dividends payable		5,322	5,326
Operating lease liabilities		112,413	113,679
Other liabilities		609,266	601,574
Total liabilities		8,082,389	8,086,280
Redeemable noncontrolling interests		92,933	92,933
Commitments and Contingencies (Footnote 17)
Stockholders' equity:
Accumulated other comprehensive income		10,581	10,581
Noncontrolling interests		132,805	131,401
Total equity		9,785,907	9,646,909
Total liabilities and equity		17,961,229	17,826,122
Members' capital:
Preferred units; Issued and outstanding 19,421 and 19,435 units, respectively		468,707	469,027
Common units; Issued and outstanding 619,891,809 and 618,483,565 units, respectively		9,173,814	9,035,900
Accumulated other comprehensive income		10,581	10,581
Total members' capital		9,653,102	9,515,508
Noncontrolling interests		132,805	131,401
Total equity		9,785,907	9,646,909
Total liabilities and equity		17,961,229	17,826,122
Kimco Realty OP, LLC [Member] | Investments in and Advances to Real Estate Joint Ventures [Member]
Assets:
Investments in and advances to real estate joint ventures		1,092,477	1,091,551
Kimco Realty OP, LLC [Member] | Other Real Estate Investments [Member]
Assets:
Other investments		$ 132,935	$ 107,581

[1] Total assets include restricted assets of consolidated variable interest entities (“VIEs”) at March 31, 2023 and December 31, 2022 of $435,118 and $436,605, respectively. Total liabilities include non-recourse liabilities of consolidated VIEs at March 31, 2023 and December 31, 2022 of $198,959 and $199,132, respectively. See Footnote 12 of the Notes to Condensed Consolidated Financial Statements.