Commitments and Contingent Liabilities - Environmental Loss Contingencies (Details) $ in Thousands	6 Months Ended
Jun. 30, 2022 USD ($)
Accrual for Environmental Loss Contingencies
Environmental liability, beginning balance	$ 2,519
Environmental obligations utilized	(19)
Environmental liability, ending balance	$ 2,500

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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