LEASES (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Components of Lease Expense [Abstract]
Amortization of ROU Assets - Finance Leases	$ 33	$ 67
Interest on Lease Liabilities - Finance Leases	12	25
Operating Lease Cost (Cost resulting from lease payments)	1,978	3,969
Short-term Lease Cost	31	100
Variable Lease Cost (Cost excluded from lease payments)	61	121
Sublease Income	0	0
Total Lease Cost	2,115	4,282
Cash paid for amounts included in the measurement of lease liabilities [Abstract]
Operating cash flows from operating leases		3,963
Operating cash flows from finance leases		25
Finance cash flows from finance leases		57
Right-of-use assets obtained in exchange for lease obligations [Abstract]
Operating leases		21,396
Finance leases		0
Operating Leases [Abstract]
Operating lease right-of-use assets	17,885	17,885	$ 0
Operating lease liability, current	6,238	6,238	0
Operating lease liability, long-term	12,121	12,121	$ 0
Total operating lease liabilities	18,359	18,359
Finance Leases [Abstract]
Property, plant and equipment, gross	894	894
Accumulated depreciation	(202)	(202)
Property, plant and equipment, net	692	692
Other current liabilities	120	120
Other long-term liabilities	626	626
Total finance lease liabilities	$ 746	$ 746
Weighted-Average Remaining Lease Term [Abstract]
Operating leases	3 years 7 months 24 days	3 years 7 months 24 days
Finance leases	5 years 9 months 25 days	5 years 9 months 25 days
Weighted-Average Discount Rate [Abstract]
Operating leases	6.00%	6.00%
Finance leases	6.50%	6.50%
Maturities of Operating Lease Liabilities [Abstract]
2020	$ 7,204	$ 7,204
2021	5,549	5,549
2022	4,206	4,206
2023	2,440	2,440
2024	422	422
Thereafter	305	305
Total undiscounted cash flows	20,126	20,126
Less imputed interest	(1,767)	(1,767)
Present value of lease liabilities	18,359	18,359
Maturities of Finance Lease Liabilities [Abstract]
2020	164	164
2021	163	163
2022	163	163
2023	163	163
2024	163	163
Thereafter	67	67
Total undiscounted cash flows	883	883
Less imputed interest	(137)	(137)
Present value of lease liabilities	$ 746	$ 746
Minimum [Member]
Lessee Description [Abstract]
Remaining lease term		1 year
Maximum [Member]
Lessee Description [Abstract]
Remaining lease term		8 years