Fair-Value Measurements (Reconciliation of Changes in Derivatives Classified as Level 3) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Net loss for the period including earnings	$ (18,584,000)
Reclassification to Mezzanine Equity	101,794,000
Embedded Derivative Financial Instruments
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Net loss for the period including earnings		$ (30,800,000)
Embedded Derivative Financial Instruments
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Net loss for the period including earnings		(30,838,000)
Level 3
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	(83,210,000)	(52,372,000)
Ending Balance	$ 0	$ (83,210,000)