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Goodwill And Other Intangible Assets | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill And Other Intangible Assets | Goodwill and Other Intangible Assets We are required to review goodwill and indefinite-lived intangible assets annually for impairment. Goodwill impairment is tested at the reporting unit level on an annual basis and between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying value. For the years ended December 31, 2021 and 2020, an assessment for potential impairment was performed and an impairment adjustment was not required. There has been no change in the carrying value of goodwill for the years 2020 and 2021. The following table summarizes acquired intangible assets with determinable useful lives by major category which are included in "Other assets" on our Consolidated Balance Sheets:
| As of December 31, 2021 |  | As of December 31, 2020
Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
(Dollars in thousands)
Trade name | $ | 22,500 |  |  | $ | (13,935) |  |  | $ | 8,565 |  |  | $ | 22,500 |  |  | $ | (11,932) |  |  | $ | 10,568 |
Technology and know-how | 55,300 |  |  | (38,486) |  |  | 16,814 |  |  | 55,300 |  |  | (34,091) |  |  | 21,209 |
Customer related intangible | 64,500 |  |  | (28,195) |  |  | 36,305 |  |  | 64,500 |  |  | (23,848) |  |  | 40,652 |
Total finite-lived intangible assets | $ | 142,300 |  |  | $ | (80,616) |  |  | $ | 61,684 |  |  | $ | 142,300 |  |  | $ | (69,871) |  |  | $ | 72,429 |
Amortization expense of intangible assets was $10.7 million, $11.4 million and $12.2 million in 2021, 2020 and 2019, respectively. Estimated annual amortization expense for the next five years will approximate $10.1 million in 2022, $9.2 million in 2023, $8.0 million in 2024, $7.3 million in 2025 and $6.7 million in 2026.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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