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LEASES - Other information (Details) - ASU No. 2016-02, Leases (Topic 842)
$ in Thousands
9 Months Ended
Sep. 30, 2019
USD ($)
Leases [Line Items]  
Cash paid for amounts included in the measurement of lease liabilities - operating leases (in thousands) $ 34
Weighted average remaining lease term - operating leases 3 years 6 months
Weighted average discount rate - operating leases 3.68%