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ACCOUNTS PAYABLE AND ACCRUED EXPENSES | 12 Months Ended
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Dec. 31, 2018
Payables and Accruals [Abstract] |
ACCOUNTS PAYABLE AND ACCRUED EXPENSES | ACCOUNTS PAYABLE AND ACCRUED EXPENSES Accounts payable and accrued expenses were comprised of the following (in thousands):
| December 31,
| 2018 |  | 2017
Accounts payable | $ | 68,040 |  |  | $ | 28,538 |
Accrued expenses | 60,958 |  |  | 67,298 |
Accrued salary and benefits | 37,167 |  |  | 30,670 |
Accrued professional fees | 14,863 |  |  | 9,303 |
Total | $ | 181,028 |  |  | $ | 135,809 |

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
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