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Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - Customer Relationships - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Cost $ 111,041 $ 71,853
Accumulated Amortization (26,372) (12,856)
Carrying Value $ 84,669 $ 58,997