Revenue Recognition (Contract Balances) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($)
Trade accounts receivable
Balance, January 1, 2024	$ 0
Balance, June 30, 2024	2,283
Increase (decrease) in trade accounts receivable	2,283
Contract asset (current)
Increase (decrease) in contract asset (current)	2,283
Contract asset (long-term)
Balance, January 1, 2024	3,712
Balance, June 30, 2024	3,500
Increase (decrease) in contract asset (long-term)	(212)
Contract liability (current)
Balance, January 1, 2024	878
Balance, June 30, 2024	843
Increase (decrease) in contract liability (current)	(35)
Contract liability (long-term)
Balance, January 1, 2024	1,470
Balance, June 30, 2024	3,100
Increase (decrease) in contract liability (long-term)	1,630
Trade Accounts Receivable
Trade accounts receivable
Balance, January 1, 2024	37,429
Balance, June 30, 2024	36,635
Increase (decrease) in trade accounts receivable	(794)
Contract asset (current)
Increase (decrease) in contract asset (current)	$ (794)