Quarterly report pursuant to Section 13 or 15(d)

LEASES - Narrative (Details)

v3.20.2
LEASES - Narrative (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
property
Sep. 30, 2019
USD ($)
Real estate leasehold interest        
Lessee, Lease, Description [Line Items]        
Number of properties subject to non-cancelable leasehold interest agreements | property     8  
Rent expense $ 0.4 $ 0.4 $ 1.3 $ 1.2
Real estate leasehold interest | Minimum        
Lessee, Lease, Description [Line Items]        
Operating leases, term (in years) 14 years   14 years  
Real estate leasehold interest | Maximum        
Lessee, Lease, Description [Line Items]        
Operating leases, term (in years) 72 years   72 years  
Office leases        
Lessee, Lease, Description [Line Items]        
Rent expense $ 0.1 $ 0.1 $ 0.3 $ 0.2
Office leases | Minimum        
Lessee, Lease, Description [Line Items]        
Operating leases, term (in years) 2 years   2 years  
Office leases | Maximum        
Lessee, Lease, Description [Line Items]        
Operating leases, term (in years) 8 years   8 years