Trade accounts receivable - net (Tables)

12 Months Ended

Dec. 31, 2020

Trade accounts receivable - net

Schedule of Accounts, Notes, Loans and Financing Receivable

The following table represents the activity occurring in the reserves for doubtful accounts in 2020 and 2019.

	Beginning		Net additions
	Balance		charged to		Deductions		Ending Balance
(in thousands)	at January 1		Operations		and Other		at December 31
2020	$	710	$	880	$	7	$	1,597
2019	$	1,178	$	(76)	$	(392)	$	710