Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts Payable and Accrued Liabilities, Current [Abstract]
Trade accounts payable	$ 74,967	$ 84,924
Accrued professional fees	2,247	1,152
Income taxes payable	4,094	13,901
Share repurchases accrued	0	8,800
Sales taxes payable	3,385	2,749
Other accrued liabilities	42	369
Accounts payable and accrued liabilities	$ 84,735	$ 111,895