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LEASES - Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease, weighted average discount rate, percent	3.36%	3.36%
Finance lease, weighted average discount rate, percent	5.00%	5.00%
Operating lease, weighted average remaining lease term	10 years 7 months 6 days	10 years 7 months 6 days
Finance lease, weighted average remaining lease term	15 years 6 months	15 years 6 months
Operating lease expense	$ 3.6	$ 7.0
Minimum
Lessee, Lease, Description [Line Items]
Lessee, lease, remaining lease term		1 month
Maximum
Lessee, Lease, Description [Line Items]
Lessee, lease, remaining lease term		21 years

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- Definition

Lessee, Lease, Remaining Lease Term

+ References

No definition available.

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- Definition

Weighted average discount rate for finance lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(4)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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-Publisher FASB
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-Topic 842
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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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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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