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Intangibles (Tables) | 9 Months Ended
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Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets | The following table presents Sterling's acquired finite-lived intangible assets at September 30, 2018 and December 31, 2017 (in thousands):
|  |  | September 30, 2018 |  | December 31, 2017
| Weighted Average Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Gross Carrying Amount |  | Accumulated Amortization
Customer relationships | 23 years |  | $ | 40,823 |  |  | $ | (2,707 | ) |  | $ | 40,823 |  |  | $ | (1,353 | )
Trade name | 13 years |  | 5,307 |  |  | (788 | ) |  | 5,307 |  |  | (394 | )
Noncompetition agreements | 7 years |  | 487 |  |  | (104 | ) |  | 487 |  |  | (52 | )
Total | 22 years |  | $ | 46,617 |  |  | $ | (3,599 | ) |  | $ | 46,617 |  |  | $ | (1,799 | )

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