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Fair Value Instruments - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Dec. 31, 2019
Fair Value Disclosures [Abstract]      
Fair value assets, Level 1 to Level 2 transfers, Amount $ 0 $ 0 $ 0
Fair value, assets, Level 2 to Level 1 transfers, Amount 0 0 0
Fair value, liabilities, Level 1 to Level 2 transfers, Amount 0 0 0
Fair value, liabilities, Level 2 to Level 1 transfers, Amount 0 0 0
Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset transfers into Level 3 0 0 0
Fair value, measurement with unobservable inputs reconciliation, recurring Basis, asset, transfers out of Level 3 0 0 0
Fair Value, measurement with unobservable inputs reconciliation, liability, transfers into Level 3 0 0 0
Fair Value, measurement with unobservable inputs reconciliation, liability, transfers out of Level 3 $ 0 $ 0 $ 0