REAL ESTATE PROPERTY ACQUISITIONS AND ACQUIRED INTANGIBLES (Details)		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2023 USD ($) ft²	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) ft²	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) ft² shares
Property Acquisition [Line Items]
Amortization expense for lease intangibles		$ 1,895,000	$ 2,541,000	$ 6,031,000	$ 7,204,000
Amortization of above and below Market Leases		(560,000)	$ (605,000)	(1,855,000)	(1,957,000)
Land		808,077,000		808,077,000		$ 730,445,000
Building and building improvements		3,271,579,000		3,271,579,000		3,012,319,000
Tenant and other improvements		678,359,000		678,359,000		633,817,000
In-place lease intangibles		$ 38,136,000		38,136,000		$ 37,181,000
Debt assumed in the purchase of real estate				$ 0	$ 60,000,000
Speed Distribution Center
Property Acquisition [Line Items]
Size (square feet) | ft²		519,000		519,000
Ownership Percentage by Noncontrolling Owners, acquired during period						1.00%
Subsidiary, Ownership Percentage, Parent		100.00%		100.00%		99.00%
Property, Plant and Equipment | Speed Distribution Center
Property Acquisition [Line Items]
Asset Acquisition, Consideration Transferred, Transaction Cost						$ 18,599,000
2022 operating property acquisitions
Property Acquisition [Line Items]
Size (square feet) | ft²	[1]					1,706,000
Cost of property acquired	[1],[2]					$ 359,130,000
2022 operating property acquisitions | Cebrian Distribution Center and Reed Distribution Center
Property Acquisition [Line Items]
Size (square feet) | ft²	[1],[3]					329,000
Date Acquired	[1],[3]					Jun. 01, 2022
Cost of property acquired	[1],[2],[3]					$ 49,726,000
2022 operating property acquisitions | 6th Street Bus Cntr, Benicia Distrib Cntr 1-5, Ettie Bus Cntr, Laura Alice Bus Cntr, Preston Distrb Cntr, Sinclair Distrib Cntr, Transit Distrb Cntr and Whipple Bus Cntr
Property Acquisition [Line Items]
Size (square feet) | ft²	[1],[3]					1,377,000
Date Acquired	[1],[3]					Jun. 01, 2022
Cost of property acquired	[1],[2],[3]					$ 309,404,000
2022 Value-Add Property Acquisitions
Property Acquisition [Line Items]
Size (square feet) | ft²	[4]					1,044,000
Cost of property acquired	[2],[4]					$ 122,921,000
2022 Value-Add Property Acquisitions | Cypress Preserve 1 & 2
Property Acquisition [Line Items]
Size (square feet) | ft²	[4]					516,000
Date Acquired	[4]					Mar. 28, 2022
Cost of property acquired	[2],[4]					$ 54,462,000
2022 Value-Add Property Acquisitions | Zephyr Distribution Center
Property Acquisition [Line Items]
Size (square feet) | ft²	[4]					82,000
Date Acquired	[4]					Apr. 08, 2022
Cost of property acquired	[2],[4]					$ 29,017,000
2022 Value-Add Property Acquisitions | Mesa Gateway Commerce Park
Property Acquisition [Line Items]
Size (square feet) | ft²	[4]					147,000
Date Acquired	[4]					Apr. 15, 2022
Cost of property acquired	[2],[4]					$ 18,315,000
2022 Value-Add Property Acquisitions | Access Point 3
Property Acquisition [Line Items]
Size (square feet) | ft²	[4]					299,000
Date Acquired	[4]					Jul. 12, 2022
Cost of property acquired	[2],[4]					$ 21,127,000
2022 Acquisitions
Property Acquisition [Line Items]
Size (square feet) | ft²						2,750,000
Cost of property acquired	[2]					$ 482,051,000
Land						127,402,000
Building and building improvements						335,335,000
Tenant and other improvements						11,502,000
Total real estate properties acquired						474,239,000
In-place lease intangibles	[5]					11,871,000
Assets acquired, net of liabilities assumed						$ 482,051,000
Weighted average remaining lease term of acquired properties						3 years 10 months 24 days
2022 Acquisitions | Leases, Acquired-in-Place, Market Adjustment
Property Acquisition [Line Items]
Below market lease intangibles	[6]					$ (4,059,000)
2022 Acquisitions | Tulloch Corporation
Property Acquisition [Line Items]
Debt assumed in the purchase of real estate						$ 60,000,000
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Common Shares Issued | shares						1,868,809
Fair value of common shares issued, asset acquisition						$ 303,756,000
Fair value of loans ssumed, asset acquisition						$ 60,000,000
2022 development land acquisitions
Property Acquisition [Line Items]
Acres of real estate investment property | ft²						456.3
Payments to Acquire Land						$ 123,717,000
2023 Acquisitions
Property Acquisition [Line Items]
Land		$ 34,006,000		$ 34,006,000
Building and building improvements		48,792,000		48,792,000
Tenant and other improvements		1,175,000		1,175,000
Total real estate properties acquired		83,973,000		83,973,000
In-place lease intangibles	[5]	4,294,000		4,294,000
Assets acquired, net of liabilities assumed		$ 87,338,000		$ 87,338,000
Weighted average remaining lease term of acquired properties		9 years		9 years
2023 Acquisitions | Leases, Acquired-in-Place, Market Adjustment
Property Acquisition [Line Items]
Below market lease intangibles	[6]	$ (929,000)		$ (929,000)
2023 Operating Property Acquisitions
Property Acquisition [Line Items]
Size (square feet) | ft²	[1]	410,000		410,000
Cost of property acquired	[1],[2]	$ 87,338,000		$ 87,338,000
2023 Operating Property Acquisitions | Craig Corporate Center
Property Acquisition [Line Items]
Size (square feet) | ft²	[1]	156,000		156,000
Date Acquired	[1]			Apr. 18, 2023
Cost of property acquired	[1],[2]	$ 34,365,000		$ 34,365,000
2023 Operating Property Acquisitions | Blue Diamond Business Park
Property Acquisition [Line Items]
Size (square feet) | ft²	[1]	254,000		254,000
Date Acquired	[1]			Sep. 05, 2023
Cost of property acquired	[1],[2]	$ 52,973,000		$ 52,973,000
2023 development land acquisitions
Property Acquisition [Line Items]
Acres of real estate investment property | ft²		210.1		210.1
Payments to Acquire Land				$ 44,468,000

[1] Operating properties are defined as stabilized real estate properties (land including buildings and improvements) in the Company’s operating portfolio; included in Real estate properties on the Consolidated Balance Sheets.

[2] Cost is calculated in accordance with FASB ASC 805, Business Combinations, and represents the sum of the purchase price, closing costs and capitalized acquisition costs.

[3] The Company acquired these operating properties along with two land parcels, also in Sacramento, CA and San Francisco, CA, in connection with its acquisition of Tulloch Corporation in June 2022. Size and cost are presented on an aggregate basis for the properties located in Sacramento, CA and San Francisco, CA, respectively. In consideration for this acquisition, the Company assumed a $60,000,000 loan and issued 1,868,809 shares of the Company’s common stock. The acquisition date fair value of the loan assumed was $60,000,000, and the acquisition date fair value of the common shares, which was based on the closing share price on the acquisition date, was $303,756,000.

[4] Value-add properties are defined in Note 5.

[5] In-place lease intangibles and above market lease intangibles are each included in Other assets on the Consolidated Balance Sheets. These costs are amortized over the remaining lives of the associated leases in place at the time of acquisition.

[6] Below market lease intangibles are included in Other liabilities on the Consolidated Balance Sheets. These costs are amortized over the remaining lives of the associated leases in place at the time of acquisition.