Note 3 - Real Estate - Acquisition of Operating Properties (Details) a in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2023 USD ($) ft²	Mar. 31, 2022 USD ($) a
Purchase price, cash		$ 98,532	$ 18,646
Purchase price, debt		37,187
Purchase price, other consideration		30,456
Purchase price, total		$ 166,175
GLA (Square Foot)		628	66
Purchase price, cash		$ 98,532	$ 18,646
Rancho San Marcos Parcel [Member]
Purchase price, cash			$ 2,407
GLA (Square Foot) | a			6
Purchase price, cash			$ 2,407
Columbia Crossing [Member]
Purchase price, cash			$ 16,239
GLA (Square Foot) | a			60
Purchase price, cash			$ 16,239
Portfolio (2 Properties) [Member]
Purchase price, cash	[1]	69,130
Purchase price, debt	[1]	19,637
Purchase price, other consideration	[1]	13,019
Purchase price, total	[1]	$ 101,786
GLA (Square Foot) | ft²	[1]	342
Purchase price, cash	[1]	$ 69,130
Crossroads Plaza Parcel [Member]
Purchase price, cash		2,173
Purchase price, debt		0
Purchase price, other consideration		0
Purchase price, total		$ 2,173
GLA (Square Foot) | ft²		5
Purchase price, cash		$ 2,173
Northridge Shopping Center Parcel [Member]
Purchase price, cash		728
Purchase price, debt		0
Purchase price, other consideration		0
Purchase price, total		$ 728
GLA (Square Foot) | ft²		57
Purchase price, cash		$ 728
Stafford Marketplace [Member]
Purchase price, cash	[2]	0
Purchase price, debt	[2]	0
Purchase price, other consideration	[2]	12,527
Purchase price, total	[2]	$ 12,527
GLA (Square Foot) | ft²	[2]	87
Purchase price, cash	[2]	$ 0
Tustin Heights [Member]
Purchase price, cash		26,501
Purchase price, debt	[1]	17,550
Purchase price, other consideration	[1]	4,910
Purchase price, total	[1]	$ 48,961
GLA (Square Foot) | ft²	[1]	137
Purchase price, cash		$ 26,501

[1] Other includes the Company’s previously held equity investments in the Prudential Investment Program and net gains on change in control. The Company evaluated these transactions pursuant to the FASB’s Consolidation guidance and as a result, recognized gains on change in control of interest of $7.7 million, in aggregate, resulting from the fair value adjustments associated with the Company’s previously held equity interests, which are included in Equity in income of joint ventures, net on the Company’s Condensed Consolidated Statements of Income. The Company previously held an ownership interest of 15.0% in these property interests. See Footnote 4 of the Notes to the Company's Condensed Consolidated Financial Statements.

[2] During the three months ended March 31, 2023, the Company received a land parcel as consideration resulting from the exercise of a termination option of an operating lease.