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Other Intangible Assets | 9 Months Ended
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Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Other Intangible Assets | Other Intangible Assets Other intangible assets are as follows (in thousands):
| September 30, 2018 |  | December 31, 2017
| Cost |  | Accumulated Amortization |  | Cost |  | Accumulated Amortization
Finite-lived intangible assets: |  |  |  |  |  |  |
Patents and technology | $ | 18,824 |  |  | $ | 6,389 |  |  | $ | 17,310 |  |  | $ | 5,586 |
Customer lists | 30,877 |  |  | 9,274 |  |  | 30,877 |  |  | 8,127 |
Trademarks and brand names | 1,531 |  |  | 1,151 |  |  | 1,549 |  |  | 1,117 |
Total finite-lived intangible assets acquired | 51,232 |  |  | 16,814 |  |  | 49,736 |  |  | 14,830 |
Deferred financing costs | 1,882 |  |  | 392 |  |  | 1,791 |  |  | 96 |
Total amortizable intangible assets | 53,114 |  |  | $ | 17,206 |  |  | 51,527 |  |  | $ | 14,926 |
Indefinite-lived intangible assets: |  |  |  |  |  |  |
Trademarks and brand names | 11,630 |  |  |  |  | 11,630 |  |  |
Total other intangible assets | $ | 64,744 |  |  |  |  | $ | 63,157 |  |  |
Carrying value: |  |  |  |  |  |  |
Other intangible assets, net | $ | 47,538 |  |  |  |  | $ | 48,231 |  |  |
Finite-lived intangible assets acquired are amortized on a straight-line basis over two to 20 years. Amortization of finite-lived intangible assets acquired totaled $0.7 million and $0.7 million for the three months ended September 30, 2018 and 2017, respectively, and $2.0 million and $2.0 million for the nine months ended September 30, 2018 and 2017, respectively. Amortization of deferred financing costs totaled $0.1 million and $0.1 million for the three months ended September 30, 2018 and 2017, respectively, and $0.3 million and $0.4 million for the nine months ended September 30, 2018 and 2017, respectively.

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- Definition The entire disclosure for all or part of the information related to 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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