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PENSIONS - Reconciliation of Fair Value of Plan Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of fair value of plan assets:
Fair value of plan assets at January 1	$ 16,864	$ 15,223
Actual return on plan assets	(46)	1,355
Employer contributions	2,900	2,900
Foreign currency exchange rate changes	(155)	463
Benefit payments	(3,705)	(3,077)
Fair value of plan assets at December 31	$ 15,858	$ 16,864

X

- Definition

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

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

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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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.

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

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