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Commitments and Contingencies - Schedule of Lease Costs and Weighted-Average Assumptions Used in Determining its Lease Assets and Lease Liabilities (Parenthetical) (Details) - Lease
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Commitments And Contingencies Disclosure [Abstract]    
Number of new operating lease   1
Number of modified existing operating lease 4 1