Segment Information - Consolidated Total Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 3,584,119	$ 3,335,639
Cash and cash equivalents	39,759	83,058
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	3,544,360	3,252,581
Operating Segments | Global Solutions
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,135,865	2,117,372
Operating Segments | Global Products
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 1,408,495	$ 1,135,209