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Intangible Assets, net - Narrative (Details) - USD ($)
3 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]      
Amortization expense $ 4,867,000   $ 4,900,000
Impairment of intangible assets   $ 0  
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Intangible asset, useful life 10 years    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Intangible asset, useful life 30 years