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Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill by Segment
The following table summarizes our goodwill by segment as of December 31, 2021 and 2020: 
(in thousands)20212020
Manufacturing$18,270 $18,270 
Plastics19,302 19,302 
Total Goodwill$37,572 $37,572 
Schedule of Components of Intangible Assets
The following table summarizes the components of our intangible assets at December 31, 2021 and 2020:
(in thousands)Gross
Amount		Accumulated
Amortization		Net Carrying
Amount
December 31, 2021
Customer Relationships$22,491 $13,469 $9,022 
Other26 4 22 
Total$22,517 $13,473 $9,044 
December 31, 2020
Customer Relationships$22,491 $12,370 $10,121 
Other26 3 23 
Total$22,517 $12,373 $10,144 
Schedule of Intangible Assets Future Amortization Expenses
Annual amortization expense for these intangible assets for the next five years is: 
(in thousands)20222023202420252026
Amortization Expense$1,100 $1,100 $1,100 $1,092 $1,090