Note 14 - Noncontrolling Interests - Redemption Value of the Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017		Dec. 31, 2016
Balance		$ 16,143	$ 86,953
Issuance of redeemable partnership interests (1)	[1]		10,000
Income		373	1,297
Distributions		(355)	(2,538)
Redemption/conversion of redeemable units (2)	[2]		(79,569)
Adjustment to estimated redemption value (1)		7,521		[1]
Balance		$ 23,682	$ 16,143		$ 86,953

[1] During 2017, KIM Lincoln, a wholly owned subsidiary of the Company, and Lincoln Member entered into a joint venture agreement wherein KIM Lincoln has a 90% controlling interest and Lincoln Member has a 10% noncontrolling interest (See Footnote 4 of the Notes to Consolidated Financial Statements). During the year ended December 31, 2018, the Company recorded an adjustment of $7.5 million to the estimated redemption fair market value of this noncontrolling interest in accordance with the provisions of the joint venture agreement and ASC 480 - Accounting for Redeemable Equity Instruments. The Company's estimated fair market value of this noncontrolling interest was based upon a discounted cash flow model, for which a capitalization rate of 5.00% and discount rate of 6.00% were utilized in the model based upon unobservable rates that the Company believes to be within a reasonable range of current market rates.

[2] During 2017, the Company redeemed the remaining 79,642,697 Preferred A Units for a total redemption price of $79.9 million, including an accrued preferred return of $0.4 million. These units, which had a par value of $1.00 and return per annum of 5.0%, were issued in connection with the Puerto Rico shopping center acquisitions discussed below.