SUBSEQUENT EVENTS (Details) - Subsequent Event [Member] $ in Thousands	1 Months Ended
	Oct. 27, 2020 USD ($) ft²
$74 million mortgage (closed 2010, repaid in 2020) [Member]
Subsequent Event [Line Items]
Secured debt, Interest Rate	4.39%
Secured debt, carrying amount	$ 45,900
Secured debt, Maturity Date	Jan. 05, 2021
Rancho Distribution Center [Member]
Subsequent Event [Line Items]
Square Footage of Real Estate Property | ft²	162,000
Total cost of properties purchased	$ 27,800
$100 million senior unsecured private placement notes (2Q 2020) [Member]
Subsequent Event [Line Items]
Unsecured debt, carrying amount	$ 100,000
Debt Instrument, Term	10 years
Fixed interest rate	2.61%
$75 million senior unsecured private placement notes (2020) [Member]
Subsequent Event [Line Items]
Unsecured debt, carrying amount	$ 75,000
Debt Instrument, Term	12 years
Fixed interest rate	2.71%
$175 million senior unsecured private placement notes (Both notes - 2Q 2020) [Member]
Subsequent Event [Line Items]
Total amount of unsecured debt	$ 175,000