LEASE REVENUE LEASE REVENUE (Details) - USD ($)		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Lease Revenue [Line Items]
Operating Lease, Lease Income, Lease Payments		$ 65,963,000	$ 58,892,000
Operating Lease, Variable Lease Income	[1]	22,614,000	19,745,000
Lease Income		88,577,000	78,637,000
Indirect leasing costs		$ 108,000	$ 93,000

[1] Primarily includes tenant reimbursements for real estate taxes, insurance and common area maintenance.