Quarterly report pursuant to Section 13 or 15(d)

LEASES - Narrative (Details)

v3.19.2
LEASES - Narrative (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
ft²
branch
service_station
Jun. 30, 2019
USD ($)
ft²
branch
service_station
Lessee, Lease, Description [Line Items]    
Cash paid for amounts included in the measurement of operating leases liabilities | $ $ 577 $ 1,100
Hong Kong    
Lessee, Lease, Description [Line Items]    
Leased area (sq ft) 9,600 9,600
Rolling Hills Estates, California    
Lessee, Lease, Description [Line Items]    
Leased area (sq ft) 4,900 4,900
Monterey Park, California    
Lessee, Lease, Description [Line Items]    
Leased area (sq ft) 2,400 2,400
Richmond, British Columbia    
Lessee, Lease, Description [Line Items]    
Leased area (sq ft) 1,600 1,600
Metuchen, New Jersey    
Lessee, Lease, Description [Line Items]    
Leased area (sq ft) 2,000 2,000
China    
Lessee, Lease, Description [Line Items]    
Number of leased branches | branch 9 9
Number of leased service stations | service_station 11 11