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Financial Instruments - Narrative (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Fair Value Measurements, Non-recurring Basis    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Liabilities measured at fair value $ 0 $ 0
Assets measured at fair value 0 0
Fair Value, Recurring    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Liabilities measured at fair value $ 0 $ 0