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Leases - Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Leases [Abstract]    
Operating lease cost $ 4,543 $ 4,345
Variable lease cost 968 1,021
Short-term lease cost 4 25
Total operating lease cost 5,515 5,391
Payments for rent $ 4,351 $ 4,146