Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Accumulated amortization:
Total finite-lived intangible assets, net	$ 13,550	$ 14,828
Trade name (indefinite-lived)	31,646	31,646
Total intangible assets, net	45,196	46,474
Customer Relationships
Finite-lived intangible assets:
Total finite-lived intangible assets	145,051	145,051
Accumulated amortization:
Total accumulated amortization	$ (131,501)	$ (130,223)