LEASES - Narrative (Details)	12 Months Ended
	Dec. 31, 2020 lease property
Lessee, Lease, Description [Line Items]
Number of ground leases considered operating lease | lease	6
Number of properties subject to ground leases | property	3
Minimum
Lessee, Lease, Description [Line Items]
Lease terms	9 years
Maximum
Lessee, Lease, Description [Line Items]
Lease terms	64 years