Income Taxes Income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Unrecognized Tax Benefit [Roll Forward]
Beginning Balance	$ 1,145	$ 2,295	$ 1,150
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	0	0	1,145
Reductions for tax positions of prior years	0	1,150	0
Ending Balance	1,145	1,145	2,295
Valuation Allowance	3,948	3,753	4,968	$ 2,230
Deferred Tax Liabilities, Undistributed Foreign Earnings	2,599	3,138
Deferred Income Tax Expense (Benefit)	3,601	$ 1,280	$ (8,353)
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 195