LEASES - Supplemental Balance Sheet (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Operating lease right-of-use assets, net	$ 165,490,000	$ 0
Current operating lease liabilities	26,773,000
Operating lease, Long-term operating lease liability	145,124,000	$ 0
Total operating lease liabilities	171,897,000
Property, plant, and equipment	15,561,000
Accumulated depreciation	5,533,000
Property, plant, and equipment, net	10,028,000
Finance lease, Other current liabilities	807,000
Finance lease, Other liabilities	10,982,000
Total finance lease liabilities	$ 11,789,000
Weighted average remaining lease term, Operating lease	9 years 2 months 12 days
Weighted average remaining lease term, Finance leases	9 years 8 months 12 days
Weighted average discount rate, Operating leases	3.75%
Weighted average discount rate, Finance leases	4.05%