Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021
Additional Paid in Capital	$ 740,889	$ 1,069,573
Retained Earnings (Accumulated Deficit)	39,375	(15,199)
Long-term Debt, Excluding Current Maturities	287,299	514,006
Restatement Adjustment [Member]
Additional Paid in Capital	(49,500)
Retained Earnings (Accumulated Deficit)	11,400
Long-term Debt, Excluding Current Maturities	38,100
Debt Principal Offset	39,400
Debt Issuance Costs, Net	1,300
Fair Value, Concentration of Credit Risk, Master Netting Arrangements [Member]
Fair Value, Concentration of Risk, Accounts Receivable		$ 7,800
Fair Value, Concentration of Risk, Accounts Payable	1,100
Administrative Service [Member]
Revenues	$ 400