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Restricted Cash (Tables) | 12 Months Ended
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Dec. 31, 2018
Restricted Cash And Cash Equivalents Current [Abstract] |
Reconciliation of Cash and Cash Equivalents, and Restricted Cash | The following table provides a reconciliation of cash and cash equivalents, and restricted cash reported within the consolidated balance sheets at December 31, 2018 and 2017 to the total cash, cash equivalents, and restricted cash shown in the consolidated statements of cash flows for the years ended December 31, 2018, 2017, and 2016:
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | Beginning |  |  | Ending |  |  | Beginning |  |  | Ending |  |  | Beginning |  |  | Ending |
Cash and cash equivalents |  | $ | 11,809 |  |  | $ | 11,694 |  |  | $ | 6,042 |  |  | $ | 11,809 |  |  | $ | 7,747 |  |  | $ | 6,042 |
Restricted cash - current (1) |  |  | 11,191 |  |  |  | — |  |  |  | — |  |  |  | 11,191 |  |  |  | — |  |  |  | — |
Restricted cash - non-current |  |  | 1,266 |  |  |  | 1,292 |  |  |  | 1,843 |  |  |  | 1,266 |  |  |  | 1,362 |  |  |  | 1,843 |
Total cash, cash equivalents, and restricted cash shown in the consolidated statement of cash flows |  | $ | 24,266 |  |  | $ | 12,986 |  |  | $ | 7,885 |  |  | $ | 24,266 |  |  | $ | 9,109 |  |  | $ | 7,885 |
(1) | Restricted cash – current for the year ended December 31, 2017 represents amounts held in an escrow account for the acquisition of The Future Customer (“TFC”).

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