Trade Accounts Receivable - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Receivables [Abstract]
Accounts receivable, allowances for credit losses	$ 2,057	$ 4,982	$ 2,479
Current-period provision for expected credit losses	$ (2,700)	$ 3,700	$ 1,100