Note 4 - Real Estate - Acquisition of Operating Properties (Details) a in Thousands, $ in Thousands		9 Months Ended
		Sep. 30, 2022 USD ($) a	Sep. 30, 2021 USD ($) ft²
Payments to Acquire Real Estate, Total		$ 135,789	$ 86,312
Gross Leasable Area (Acre)		398	1,435	[1]
Purchase price, cash		$ 135,789	$ 86,312
Purchase price, other consideration	[2]		17,688
Purchase price, total			104,000
Rancho San Marcos Village [Member]
Payments to Acquire Real Estate, Total		$ 2,407
Gross Leasable Area (Acre) | a		6
Purchase price, cash		$ 2,407
Lancaster, CA [Member] | Distribution Center 1 [Member]
Payments to Acquire Real Estate, Total			$ 58,723
Gross Leasable Area (Acre) | ft²	[1]		927
Purchase price, cash			$ 58,723
Purchase price, other consideration	[2]		11,277
Purchase price, total			70,000
Columbia Crossing [Member]
Payments to Acquire Real Estate, Total		$ 16,239
Gross Leasable Area (Acre) | a		60
Purchase price, cash		$ 16,239
Woodland, CA [Member] | Distribution Center 2 [Member]
Payments to Acquire Real Estate, Total			$ 27,589
Gross Leasable Area (Acre) | ft²	[1]		508
Purchase price, cash			$ 27,589
Purchase price, other consideration	[2]		6,411
Purchase price, total			$ 34,000
Oak Forest [Member]
Payments to Acquire Real Estate, Total		$ 3,846
Gross Leasable Area (Acre) | a		4
Purchase price, cash		$ 3,846
Devon Village [Member]
Payments to Acquire Real Estate, Total		$ 733
Gross Leasable Area (Acre) | a		0
Purchase price, cash		$ 733
Fishtown Crossing [Member]
Payments to Acquire Real Estate, Total		$ 39,291
Gross Leasable Area (Acre) | a		133
Purchase price, cash		$ 39,291
Carman's Plaza [Member]
Payments to Acquire Real Estate, Total		$ 51,423
Gross Leasable Area (Acre) | a		195
Purchase price, cash		$ 51,423
Pike Center [Member]
Payments to Acquire Real Estate, Total		$ 21,850
Gross Leasable Area (Acre) | a		0
Purchase price, cash		$ 21,850

[1] Gross leasable area ("GLA")

[2] Consists of the fair value of the assets acquired which exceeded the purchase price upon closing. The transaction was a sale-leaseback with the seller which resulted in the recognition of a prepayment of rent of $17.7 million in accordance with ASC 842, Leases at closing. The prepayment of rent will amortize over the initial term of the lease through Revenues from rental properties, net on the Company's Condensed Consolidated Statements of Operations. See Footnote 12 of the Company's Condensed Consolidated Financial Statements for additional discussion regarding fair value allocation of partnership interest for noncontrolling interests.