Derivatives (Fair Value Of Derivative Instruments And Locations In Balance Sheets) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Liabilities, Presented Gross	$ 158,001	$ 78,553
Liabilities, Effects of Netting	0	0
Liabilities, Presented Net	158,001	78,553
Current derivative liabilities
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Liabilities, Presented Gross	78,868	40,876
Liabilities, Effects of Netting	0	0
Liabilities, Presented Net	78,868	40,876
Non-current derivative liabilities
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Liabilities, Presented Gross	22,699	17,855
Liabilities, Effects of Netting	0	0
Liabilities, Presented Net	22,699	17,855
Warrant liability
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Liabilities, Presented Gross	56,434	19,822
Liabilities, Effects of Netting	0	0
Liabilities, Presented Net	$ 56,434	$ 19,822