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Cash and Cash Equivalents (Tables) | 12 Months Ended
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Dec. 31, 2020
Cash and Cash Equivalents [Abstract] |
Schedule of Cash and Cash Equivalents [Table Text Block] | Cash and cash equivalents consists of the following components (dollars in thousands):
|  | December 31, 2020 |  | December 31, 2019
Cash and cash equivalents - unrestricted |  | $ | 62,790 |  |  | $ | 172,470 |
Cash - restricted |  | 11,160 |  |  | — |
Total cash and cash equivalents |  | $ | 73,950 |  |  | $ | 172,470 |

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