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Property and Equipment - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Property Plant and Equipment [Line Items]        
Depreciation expense $ 3,875 $ 3,532 $ 7,582 $ 7,120
Medical Expenses        
Property Plant and Equipment [Line Items]        
Depreciation expense $ 54 $ 88 $ 106 $ 193