LEASES, COMMITMENTS AND CONTINGENCIES - Future Minimum Lease Payments Due and Future Minimum Rentals to be Received under Noncancelable Leases (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Operating lease, Future minimum lease payments, 2019	$ 868
Operating lease, Future minimum lease payments, 2020	1,606
Operating lease, Future minimum lease payments, 2021	1,001
Operating lease, Future minimum lease payments, 2022	538
Operating lease, Future minimum lease payments, 2023	400
Operating lease, Future minimum lease payments, 2024	240
Operating lease, Future minimum lease payments, Thereafter	895
Operating lease, Total future minimum lease payments	5,548
Finance lease, Future minimum lease payments, 2019	433
Finance lease, Future minimum lease payments, 2020	1,368
Finance lease, Future minimum lease payments, 2021	640
Finance lease, Future minimum lease payments, 2022	79
Finance lease, Future minimum lease payments, 2023	0
Finance lease, Future minimum lease payments, 2024	0
Finance lease, Future minimum lease payments, Thereafter	0
Finance lease, Total future minimum lease payments	$ 2,520

Finance lease liability payments due after year six.

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Finance lease liability payments due year six.

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Lessee operating lease liability payments due after year six.

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Lessee operating lease liability payments due year six.

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in remainder of fiscal year following latest fiscal year ended.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

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