SUBSEQUENT EVENTS (Details) - Subsequent Event	2 Months Ended
	Feb. 15, 2022 USD ($) a ft² Integer
$150 million senior note (2022)
Subsequent Event [Line Items]
Debt instrument, fixed interest rate	3.03%
Long-term Debt, Term	10 years
Unsecured debt, amount obtained during period	$ 150,000,000
$100 million term loan (2022)
Subsequent Event [Line Items]
Long-term Debt, Term	6 years 6 months
Debt Instrument, Maturity Date	Sep. 29, 2028
Effective interest rate	3.06%
Unsecured debt, amount obtained during period	$ 100,000,000
Gateway Interchange Land
Subsequent Event [Line Items]
Size (in acres) of land | a	50
Purchase price	$ 13.6
Metro Business Park [Member]
Subsequent Event [Line Items]
Size | ft²	189,000
Number of buildings | Integer	5
Proceeds from Sale of Property Held-for-sale	$ 33,500,000