Trade accounts receivable - net (Tables)

12 Months Ended

Dec. 31, 2021

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 2021 and 2020.

	Beginning		Net additions
	Balance		charged to		Deductions		Ending Balance
(in thousands)	at January 1		Operations		and Other		at December 31
2021	$	1,597	$	44	$	(57)	$	1,584
2020	$	710	$	880	$	7	$	1,597