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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Examination
Cash and cash equivalents	$ 47,499	$ 62,896
Deferred tax liabilities	26,683	39,291
Net operating loss carryforwards - foreign	12,700
Valuation allowance	8,750	1,054
Accrued interest and penalties related to taxes	5,100	800	$ 700
Unrecognized tax benefits, net of federal income tax benefits	$ 27,500	$ 20,500	$ 8,800
Geographic Concentration Risk \| Cash and Cash Equivalents \| Int'l
Income Tax Examination
Consolidated risk, percentage	49.00%	71.00%
Federal
Income Tax Examination
Taxes payable	$ 16,600
Income taxes receivable		$ 8,500
State
Income Tax Examination
Taxes payable	5,400
Income taxes receivable		1,600
Foreign
Income Tax Examination
Taxes payable		1,600
Income taxes receivable	1,200
Deferred tax liabilities	19,200	26,200
Tax Authority, UK
Income Tax Examination
Valuation allowance	900	$ 900
Tax Authority, Hong Kong
Income Tax Examination
Valuation allowance	7,700
Tax Authority, UK
Income Tax Examination
Net operating loss carryforwards - foreign	1,900
Tax Authority, Italy
Income Tax Examination
Net operating loss carryforwards - foreign	3,100
Tax Authority, Hong Kong
Income Tax Examination
Net operating loss carryforwards - foreign	$ 7,700