Quarterly report pursuant to Section 13 or 15(d)

LEASES - Narrative (Details)

v3.19.2
LEASES - Narrative (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Real Estate Leasehold Interest        
Lessee, Lease, Description [Line Items]        
Number of properties subject to non-cancelable leasehold interest agreements     7  
Rent expense $ 0.4 $ 0.4 $ 0.8 $ 0.8
Real Estate Leasehold Interest | Minimum        
Lessee, Lease, Description [Line Items]        
Operating leases, term (in years) 15 years   15 years  
Real Estate Leasehold Interest | Maximum        
Lessee, Lease, Description [Line Items]        
Operating leases, term (in years) 73 years   73 years  
Office Leases        
Lessee, Lease, Description [Line Items]        
Rent expense $ 0.1 $ 0.1 $ 0.2 $ 0.1
Office Leases | Minimum        
Lessee, Lease, Description [Line Items]        
Operating leases, term (in years) 3 years   3 years  
Office Leases | Maximum        
Lessee, Lease, Description [Line Items]        
Operating leases, term (in years) 7 years   7 years