Pension and Other Postretirement Benefits - Level 3 Asset Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Change in plan assets
Fair value of plan assets at beginning of year	$ 189,535	$ 294,566
Currency translation adjustment	5,489	(17,672)
Fair value of plan assets at end of year	196,354	189,535
Level 3
Change in plan assets
Fair value of plan assets at beginning of year	68,865	118,053
Purchases	47,337	(8,237)
Unrealized losses	4,754	(34,147)
Currency translation adjustment	3,355	(6,804)
Fair value of plan assets at end of year	124,311	68,865
Insurance contract \| Level 3
Change in plan assets
Fair value of plan assets at beginning of year	59,963	99,527
Purchases	47,640	(1,136)
Unrealized losses	7,621	(32,305)
Currency translation adjustment	3,169	(6,123)
Fair value of plan assets at end of year	118,393	59,963
Real estate \| Level 3
Change in plan assets
Fair value of plan assets at beginning of year	8,902	11,547
Purchases	(303)	(122)
Unrealized losses	(2,867)	(1,842)
Currency translation adjustment	186	(681)
Fair value of plan assets at end of year	5,918	8,902
Alternative Investments \| Level 3
Change in plan assets
Fair value of plan assets at beginning of year	0	6,979
Purchases	0	(6,979)
Unrealized losses	0	0
Currency translation adjustment	0	0
Fair value of plan assets at end of year	$ 0	$ 0

Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase for Purchase

No definition available.

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- Definition

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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-Topic 715
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-Name Accounting Standards Codification
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- Definition

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

+ References

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