Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Trade accounts payable	$ 152,274	$ 95,028
Accrued compensation, benefits and payroll taxes	5,436	5,468
Accrued cost of revenue	7,152	7,127
Other payables and accrued expenses	3,956	2,368
Total accounts payable and accrued expenses	$ 168,818	$ 109,991