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LEASES - Supplemental Cash Flow Information (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
Leases [Abstract]  
Operating cash flows used for operating leases $ 9,706
Weighted average remaining lease term for operating leases (in years) 9 years 8 months 12 days
Weighted average discount rate for operating leases 4.40%