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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2018
Fair Value Disclosures [Abstract] |
Carrying value and estimated fair value of long-term debt | The carrying amount and estimated fair value of the Company’s long-term debt are as follows (in thousands):
| December 31,
| 2018 |  | 2017
| Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Borrowings under revolving credit facility | $ | 49,731 |  |  | $ | 49,731 |  |  | $ | 27,950 |  |  | $ | 27,950 |

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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