Pension Benefits - Benefit Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Pension Benefits
Projected benefit obligation at beginning of the year	$ 6,839	$ 5,940
Service cost	592	572
Interest cost	$ 352	$ 247
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Income (Expense), Nonoperating, Net	Interest Income (Expense), Nonoperating, Net
Actuarial loss (gain)	$ (713)	$ 559
Foreign currency exchange rates changes	(862)	(359)
Curtailment	(48)
Benefits paid	(254)	(120)
Projected benefit obligation at end of the year	$ 5,906	$ 6,839

No definition available.

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Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees.

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.

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