Nature of Business and Summary of Significant Accounting Policies (Allowance For Doubtful Accounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at January 1	$ 2,108	$ 2,156	$ 2,547
Provision for bad debts, net of (recoveries)	712	434	(156)
Uncollectable accounts written off	(125)	(437)	(114)
Foreign currency translation	(56)	(45)	(121)
Balance at December 31	$ 2,639	$ 2,108	$ 2,156