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Cash, Cash Equivalents, and Restricted Cash (Tables) | 9 Months Ended
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Sep. 30, 2018
Cash, Cash Equivalents, and Restricted Cash [Abstract] |
Schedule of cash, cash equivalents, and restricted cash |
|  | September 30, 2018 |  |  | December 31, 2017 |
|  | (in thousands) |
Cash and cash equivalents |  | $ | 45,916 |  |  | $ | 29,913 |
Restricted cash—short-term included in other current assets |  |  | 294 |  |  |  | 518 |
Restricted cash—long-term |  |  | 997 |  |  |  | 1,496 |
Total cash, cash equivalents, and restricted cash |  | $ | 47,207 |  |  | $ | 31,927 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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