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Accounts Payable and Accrued Expenses
12 Months Ended
Dec. 31, 2019
Payables and Accruals [Abstract]  
Accounts Payable and Accrued Expense Accounts Payable and Accrued Expenses
Accounts payable and accrued expenses included the following:
 
December 31, 2019
 
December 31, 2018
 
(in thousands)
Accounts payable—seller
$
247,891

 
$
230,423

Accounts payable—trade
4,822

 
3,122

Accrued employee-related payables
6,726

 
6,133

Total
$
259,439

 
$
239,678