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Fair Value Measurements - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Fair Value Disclosures [Abstract]    
Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset, transfers, net $ 0 $ 0
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability, transfers, net $ 0 $ 0