Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Line Items]
Federal statutory rate	21.00%	21.00%	21.00%
Effective Income Tax Rate Reconciliation, Tax Holiday, Amount		$ 17,300
Impact of tax holiday on diluted earnings per share		$ 0.15
Liability for Uncertain Tax Positions, Noncurrent	$ 16,200
fair value of intellectual property	1,200,000
Deferred Tax Asset Intellectual property	165,517	$ 0
State [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 75,400
Foreign [Member]
Income Taxes [Line Items]
Tax credit carryforward expiration	2028
Federal And State [Member]
Income Taxes [Line Items]
Operating Loss Carryforwards, Date	2022 through 2034