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LEASES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jan. 01, 2019
Lessee Lease Description [Line Items]
Operating lease right-of-use assets	$ 11,017	$ 11,017	$ 7,900
Operating lease liabilities	$ 11,269	$ 11,269	$ 8,200
Weighted average discount rate	3.35%	3.35%
Weighted average lease term	6 years 21 days	6 years 21 days
Lease cost	$ 757	$ 1,400
Variable lease costs	$ 82	$ 155
Minimum [Member]
Lessee Lease Description [Line Items]
Remaining lease term		1 year
Maximum [Member]
Lessee Lease Description [Line Items]
Remaining lease term		18 years

X

- Definition

Operating lease, remaining lease term.

+ References

No definition available.

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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

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+ References

No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

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X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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-Subparagraph (a)
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X

- Definition

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

+ References

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X

- Definition

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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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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