Industry Segment and Foreign Operations - Long-Lived Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	$ 1,726,678	$ 1,674,982
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	1,124,503	1,005,148
Taiwan
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	195,112	191,726
France
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	123,172	171,899
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	84,081	85,445
Sweden
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	74,575	78,329
All other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	125,235	142,435
Polymer
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	1,113,527	1,087,718
Polymer | Reportable Geographical Components | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	687,569	591,361
Polymer | Reportable Geographical Components | Taiwan
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	195,112	191,726
Polymer | Reportable Geographical Components | France
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	105,259	156,410
Polymer | Reportable Geographical Components | Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	77,756	79,388
Polymer | Reportable Geographical Components | Sweden
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	0	0
Polymer | Reportable Geographical Components | All other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	47,831	68,833
Chemical
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	613,151	587,264
Chemical | Reportable Geographical Components | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	436,934	413,787
Chemical | Reportable Geographical Components | Taiwan
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	0	0
Chemical | Reportable Geographical Components | France
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	17,913	15,489
Chemical | Reportable Geographical Components | Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	6,325	6,057
Chemical | Reportable Geographical Components | Sweden
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	74,575	78,329
Chemical | Reportable Geographical Components | All other countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets, at cost	$ 77,404	$ 73,602