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Leases - Right of Use and Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Leases [Abstract]    
Operating lease right of use asset $ 111,550 $ 100,046
Current operating lease liabilities 35,964 32,676
Long-term operating lease liabilities $ 78,445 $ 70,275