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Revenue Recognition (Contract Balances) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Trade accounts receivable
Balance, January 1, 2023	$ 409
Balance, March 31, 2023	0
Increase (decrease) in trade accounts receivable	(409)
Contract asset (current)
Increase (decrease) in contract asset (current)	(409)
Contract asset (long-term)
Balance, January 1, 2023	5,985
Balance, March 31, 2023	3,555
Increase (decrease) in contract asset (long-term)	(2,430)
Contract liability (current)
Balance, January 1, 2023	833
Balance, March 31, 2023	2,044
Increase (decrease) in contract liability (current)	1,211
Contract liability (long-term)
Balance, January 1, 2023	1,709
Balance, March 31, 2023	827
Increase (decrease) in contract liability (long-term)	(882)
Trade Accounts Receivable
Trade accounts receivable
Balance, January 1, 2023	37,940
Balance, March 31, 2023	31,039
Increase (decrease) in trade accounts receivable	(6,901)
Contract asset (current)
Increase (decrease) in contract asset (current)	$ (6,901)

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