LEASES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Components of Lease Expense [Abstract]
Amortization of ROU Assets - Finance Leases	$ 34
Interest on Lease Liabilities - Finance Leases	13
Operating Lease Cost (Cost resulting from lease payments)	1,980
Short-term Lease Cost	68
Variable Lease Cost (Cost excluded from lease payments)	59
Sublease Income	0
Total Lease Cost	2,154
Cash paid for amounts included in the measurement of lease liabilities [Abstract]
Operating cash flows from operating leases	2,024
Operating cash flows from finance leases	13
Finance cash flows from finance leases	29
Right-of-use assets obtained in exchange for lease obligations [Abstract]
Operating leases	20,775
Finance leases	0
Operating Leases [Abstract]
Operating lease right-of-use assets	19,022	$ 0
Other current liabilities	6,243	0
Operating lease liabilities	13,044	$ 0
Total operating lease liabilities	19,287
Finance Leases [Abstract]
Property, plant and equipment, gross	881
Accumulated depreciation	(168)
Property, plant and equipment, net	713
Other current liabilities	118
Other long-term liabilities	654
Total finance lease liabilities	$ 772
Weighted-Average Remaining Lease Term [Abstract]
Operating leases	3 years 6 months
Finance leases	5 years 8 months 12 days
Weighted-Average Discount Rate [Abstract]
Operating leases	6.00%
Finance leases	6.50%
Maturities of Operating Lease Liabilities [Abstract]
2020	$ 7,170
2021	5,746
2022	4,564
2023	2,900
2024	700
Thereafter	329
Total undiscounted cash flows	21,409
Less imputed interest	(2,122)
Present value of lease liabilities	19,287
Maturities of Finance Lease Liabilities [Abstract]
2020	164
2021	163
2022	162
2023	162
2024	162
Thereafter	108
Total undiscounted cash flows	921
Less imputed interest	(149)
Present value of lease liabilities	$ 772
Minimum [Member]
Lessee Description [Abstract]
Remaining lease term	1 year
Maximum [Member]
Lessee Description [Abstract]
Remaining lease term	8 years