LEASES - Narrative (Details)	Jun. 30, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Finance lease, right-of-use asset	$ 21,300,000
Secured Debt | Morgan Stanley Senior Funding, Inc.
Lessee, Lease, Description [Line Items]
Face amount	100,000,000.0
Secured Debt | Line of Credit | Morgan Stanley Senior Funding, Inc.
Lessee, Lease, Description [Line Items]
Face amount	$ 1,000,000.0
Minimum
Lessee, Lease, Description [Line Items]
Operating lease, term of contract	1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, term of contract	12 years