Other assets, net - Schedule of Other Assets, Net (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Other assets, net
Pension asset	$ 1,135	$ 1,356
Other	1,415	1,397
Total	$ 2,550	$ 2,753

Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant