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INTANGIBLE ASSETS
 12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS INTANGIBLE ASSETS
The following table summarizes acquired intangible assets at December 31 as follows:
 20212020
(In thousands)
Weighted
Average Life
Gross Carrying
Amount
Accumulated
Amortization
Gross Carrying
Amount
Accumulated
Amortization
Patents11 years$2,146 $1,979 $2,146 $1,891 
Non-compete Agreement4 years11,082 10,592 11,082 10,085 
Trade Names10 years11,447 8,518 11,512 7,537 
Completed and Unpatented Technology9 years47,932 30,441 48,043 25,766 
Customer Relationships15 years142,276 69,033 142,478 60,096 
Total Intangible Assets12 years$214,883 $120,563 $215,261 $105,375 
Amortization is computed on the straight line method for financial reporting purposes. Amortization expense for intangibles was $15.4 million, $17.1 million and $17.6 million for 2021, 2020 and 2019, respectively. During 2019 there was a $6.2 million impairment of intangible assets in conjunction with the AeroSat restructuring. The amount is classified within Impairment Loss in the Consolidated Statements of Operations.
Based upon acquired intangible assets at December 31, 2021, amortization expense for each of the next five years is estimated to be:
(In thousands) 
2022$14,911 
2023$13,878 
2024$12,856 
2025$10,935 
2026$9,533