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Restricted Cash (Tables) | 9 Months Ended
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Sep. 30, 2021
Restricted Cash [Abstract] |
Restricted Cash | The Company’s restricted cash balances are as follows:
|  | September 30, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
Restricted cash from customer deposit |  | $ | 281 |  |  | $ | 3,204 |
Restricted cash to collateralize standby letters of credit |  |  | 2,163 |  |  |  | 3,396 |
Restricted cash equivalents to collateralize standby letters of credit |  |  | 3,542 |  |  |  | 3,855 |
Restricted cash equivalents - other |  |  | 672 |  |  |  | - |
Total restricted cash |  | $ | 6,658 |  |  | $ | 10,455 |

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