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Goodwill and intangible assets (Tables) | 9 Months Ended
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Sep. 30, 2019
Goodwill and intangible assets |
Schedule of company's other intangible assets | The Company’s other intangible assets consist of the following:
|  |  |  | September 30, 2019 |  | December 31, 2018
|  | Amortization |  | Gross |  |  |  |  |  |  |  | Gross |  |  |  |  |  |
|  | Period |  | Carrying |  | Accumulated |  |  |  |  | Carrying |  | Accumulated |  |  |
(in thousands) |  | (in years) |  | Amount |  | Amortization |  |  | Net |  | Amount |  | Amortization |  |  | Net
Intangible assets with determinable lives |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents |  | 5 |  | $ | 386 |  | $ | 383 |  | $ | 3 |  | $ | 386 |  | $ | 380 |  | $ | 6
Covenant not to compete |  | 6 - 10 |  |  | 1,270 |  |  | 744 |  |  | 526 |  |  | 1,270 |  |  | 629 |  |  | 641
Customer relationships |  | 10 - 12 |  |  | 31,560 |  |  | 5,840 |  |  | 25,720 |  |  | 31,660 |  |  | 3,952 |  |  | 27,708
Above market leases |  | 13 |  |  | 567 |  |  | 88 |  |  | 479 |  |  | 567 |  |  | 54 |  |  | 513
Licenses |  | 10 |  |  | — |  |  | — |  |  | — |  |  | 1,000 |  |  | 417 |  |  | 583
Totals identifiable intangible assets |  |  |  | $ | 33,783 |  | $ | 7,055 |  | $ | 26,728 |  | $ | 34,883 |  | $ | 5,432 |  | $ | 29,451

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b),(d) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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