Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Unrecognized tax benefits that would impact effective tax rate		$ 7,500
Goodwill impairment charge	$ 379,900	0	$ 0	$ 379,863
Goodwill, not tax deductible and yielded permanent differences between book and taxable income	209,500
Goodwill impairment, tax benefit	$ 49,400
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Credit carryforwards		100	1,400
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards		166,000	196,500
Credit carryforwards		$ 2,600	$ 2,000