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Leases - Summary of Company's Operating Leases (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Assets    
Operating lease assets $ 60,701 $ 62,466
Liabilities    
Current portion of operating lease liabilities 1,127 1,909
Noncurrent portion of operating lease liabilities 51,849 51,545
Total lease liabilities $ 52,976 $ 53,454