Revenue Recognition (Contract Balances) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Trade accounts receivable, net
Balance, January 1, 2022	$ 25,667
Balance, March 31, 2022	27,226
Increase (decrease) in trade accounts receivables, net	1,559
Contract asset (long-term)
Balance, January 1, 2022	5,985
Balance, March 31, 2022	5,985
Increase (decrease) in contract asset (long-term)	0
Contract liability (current)
Balance, January 1, 2022	4,082
Balance, March 31, 2022	2,989
Increase (decrease) in contract liability (current)	(1,093)
Contract liability (long-term)
Balance, January 1, 2022	1,453
Balance, March 31, 2022	1,329
Increase (decrease) in contract liability (long-term)	$ (124)