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Fair Value of Financial Instruments - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Fair Value Disclosures [Abstract]    
Fair value assets transfers from level 1 to level 2 amount $ 0 $ 0
Fair value assets transfers from level 2 to level 1 amount 0 0
Fair value assets transfers to level 3 amount 0 0
Fair value assets transfers out of level 3 amount $ 0 $ 0