Other Accrued Liabilities (Schedule of Other Accrued Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Other Accrued Liabilities [Abstract]
Legal settlement accrual	$ 14,500
Customer deposits	9,715	$ 7,727
Sales return reserve	4,989	5,434
Accrued wages and salaries	4,083	4,064
Payroll and sales taxes	4,085	2,764
Other current liabilities	5,348	4,600
Total other accrued liabilities	$ 42,720	$ 24,589