COMMITMENTS AND CONTINGENCIES - Other Information (Details) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
COMMITMENTS AND CONTINGENCIES
Cash outflows for operating leases	$ 4,371
Weighted average remaining lease term (years)	18 years 9 months 15 days
Weighted average discount rate	5.20%

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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