LEASE REVENUE LEASE REVENUE (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Lease Revenue [Line Items]
Operating Lease, Lease Income, Lease Payments	$ 58,892,000
Operating Lease, Variable Lease Income	19,745,000
Lease Income	78,637,000
Operating Leases, Future Minimum Payments Receivable, Current	175,737,000		$ 226,330,000
Operating Leases, Future Minimum Payments Receivable, in Two Years	208,760,000		195,850,000
Operating Leases, Future Minimum Payments Receivable, in Three Years	165,837,000		151,564,000
Operating Leases, Future Minimum Payments Receivable, in Four Years	124,182,000		112,007,000
Operating Leases, Future Minimum Payments Receivable, in Five Years	93,321,000		82,262,000
Operating Leases, Future Minimum Payments Receivable, Thereafter	182,876,000		163,499,000
Total minimum receipts	950,713,000		$ 931,512,000
Indirect leasing costs	$ 93,000	$ 0