Annual report pursuant to Section 13 and 15(d)

Commitments and Contingent Liabilities - Narratives (Details)

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Commitments and Contingent Liabilities - Narratives (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Subsurface Remedial and Wetlands/Marsh Management    
Loss Contingencies    
Accrual for environmental loss contingencies $ 410 $ 510
Subsurface Remediation and Soil Vapor Extraction    
Loss Contingencies    
Accrual for environmental loss contingencies 306 $ 427
ABL Facility    
Loss Contingencies    
Letters of credit outstanding $ 17,541