Fair Value Measurements And Derivative Instruments Reporting (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfers between the three levels	$ 0
Impairment - intangible and tangible assets		$ 35,121	$ 16,486
Cash equivalents	0	0
Interest expense	$ 42,832	43,104	8,250
Fair Value, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment - intangible and tangible assets		1,000
Fair Value, Nonrecurring [Member] | COVID 19 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment - intangible and tangible assets		$ 34,100
Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest expense			$ 700