Employee benefit plans - Schedule of Amounts Recognized in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Amounts recognized in the accumulated other comprehensive income (loss) consist of:
Net amount recognized	$ 4,636	$ 6,302
Pension Benefits
Defined Benefit Plan Disclosure
(Other Assets)	(1,190)
Other Liabilities		1,485
Amounts recognized in the accumulated other comprehensive income (loss) consist of:
Net actuarial gain	(5,868)	(7,977)
Deferred taxes	1,232	1,675
Net amount recognized	(4,636)	(6,302)
Accumulated benefit obligation	$ 18,066	$ 19,113	$ 17,491

Defined Benefit Plan Accumulated Other Comprehensive Income Loss Deferred Tax

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- Definition

Amount of other assets, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

+ References

No definition available.

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- Definition

Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

+ References

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- Definition

Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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- Definition

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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