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GOODWILL AND INTANGIBLE ASSETS | 12 Months Ended
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Dec. 31, 2019
Intangible Assets, Net (Excluding Goodwill) [Abstract] |
Intangible Assets | INTANGIBLE ASSETS The components of intangible assets for each of the years ended December 31, 2019 and 2018, were as follows (amounts in thousands):
| Weighted- Average Useful Lives (in Years) |  | 2019 |  | 2018
Amortizable intangible assets: |  |  |  |  |
Customer relationships | 7.7 |  | $ | 12,629 |  |  | $ | 12,967 |
Patents, trademarks, and other | 7.8 |  | 11,598 |  |  | 11,356 |
Total at cost |  |  | 24,227 |  |  | 24,323 |
Less accumulated amortization |  |  | (14,461 | ) |  | (12,676 | )
|  |  | $ | 9,766 |  |  | $ | 11,647 |
Amortization related to intangible assets for the years 2019, 2018, and 2017 totaled $2.2 million, $2.3 million, and $3.0 million, respectively. The estimated aggregate amortization expense at December 31, 2019, for each of the years (or other periods) set forth below was as follows (amounts in thousands):
2020 | $ | 2,179 |
2021 | 1,379 |
2022 | 987 |
2023 | 987 |
2024 | 986 |
Thereafter | 3,248 |
| $ | 9,766 |

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- Definition The entire disclosure for goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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- References No definition available. + Details
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