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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2019
Accounting Policies [Abstract] |
Restricted Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows:
In thousands | June 30, 2019 |  | December 31, 2018 |  | June 30, 2018
Cash and cash equivalents | $ | 135,736 |  |  | $ | 120,221 |  |  | $ | 162,882 |
Restricted cash included in other current assets | 51 |  |  | 51 |  |  | 51 |
Long-term restricted cash | 2,066 |  |  | 2,056 |  |  | 2,109 |
Total cash, cash equivalents, and restricted cash | $ | 137,853 |  |  | $ | 122,328 |  |  | $ | 165,042 |

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