Income Taxes (Significant Valuation Allowances) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Tax Credit Carryforward [Line Items]
Valuation allowance	$ 10,726	$ 16,486
United States
Tax Credit Carryforward [Line Items]
Valuation allowance	8,700	13,900
Domestic Tax Authority | United States
Tax Credit Carryforward [Line Items]
Valuation allowance	2,647	4,233
State and Local Jurisdiction
Tax Credit Carryforward [Line Items]
Valuation allowance	400	600
State and Local Jurisdiction | United States
Tax Credit Carryforward [Line Items]
Valuation allowance	6,026	9,648
Capital Loss Carryforward | Israel
Tax Credit Carryforward [Line Items]
Valuation allowance	$ 1,287	$ 1,537