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Commitments and Contingent Liabilities - Narrative (Details)
$ in Thousands
Mar. 31, 2021
USD ($)
Financial Standby Letter of Credit  
Guarantor Obligations  
Letters of credit, amount $ 1,700
Standby Letters of Credit  
Guarantor Obligations  
Loss Contingency Accrual, at Carrying Value 0
Performance Guarantee  
Guarantor Obligations  
Guarantor Obligations, Maximum Exposure, Undiscounted $ 8,100