Annual report pursuant to Section 13 and 15(d)

LEASES - Components of Lease Expense (Details)

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LEASES - Components of Lease Expense (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
Lessee, Lease, Description [Line Items]  
Total operating lease cost $ 4,498,000
Total lease cost 4,498,000
Short-term lease costs 64,000
Variable lease costs 0
Cost of sales, exclusive of depreciation and amortization  
Lessee, Lease, Description [Line Items]  
Total operating lease cost 4,361,000
Selling, general and administrative  
Lessee, Lease, Description [Line Items]  
Total operating lease cost $ 137,000