Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Other Current Liabilities [Abstract]
Non-Income Taxes	$ 21,176	$ 8,462
Short-term lease liabilities	11,177	0
Professional Fees	11,220	3,831
Current Income Taxes Payable	7,503	1,358
Selling Expenses	6,646	3,582
Customer Advances and Sales Return Reserves	5,554	2,187
Freight	4,704	2,188
Acquisition-related accruals	3,521	0
Legal	2,362	1,067
Environmental	734	0
Accrued Rent and Facilities	994	763
Accrued Interest	855	4,340
Other	7,159	3,330
Total other accrued liabilities	$ 83,605	$ 31,108