Segment Reporting and Foreign Operations - Long-lived Assets by Geographic Area (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 371,658	$ 382,728	$ 378,785
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	275,311	277,643	273,816
Ireland
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	39,863	42,951	44,912
Other foreign countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 56,484	$ 62,134	$ 60,057