Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Purchase accounting adjustments	$ (1,408)
Reduction in carrying amount of goodwill	336
Aggregate amortization expense for amortizable intangible assets	10,600	$ 9,500
Domestic Operations
Finite-Lived Intangible Assets [Line Items]
Purchase accounting adjustments	(1,408)
Reduction in carrying amount of goodwill	336
International & Other
Finite-Lived Intangible Assets [Line Items]
Accumulated impairment charges	123,100		$ 123,100
Purchase accounting adjustments	0
Reduction in carrying amount of goodwill	$ 0