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Segments and Related Information - Financial Information by Geographic Segment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Revenues from unaffiliated customers $ 573,161 $ 638,075 $ 1,017,354
Long-lived assets 626,133 698,940 1,215,737
United States      
Segment Reporting Information [Line Items]      
Revenues from unaffiliated customers 447,002 463,382 831,317
Long-lived assets 487,749 554,926 1,046,250
United Kingdom      
Segment Reporting Information [Line Items]      
Revenues from unaffiliated customers 59,352 76,808 70,641
Long-lived assets 79,723 78,622 81,855
Singapore      
Segment Reporting Information [Line Items]      
Revenues from unaffiliated customers 35,886 57,513 56,170
Long-lived assets 15,202 16,509 18,260
Other      
Segment Reporting Information [Line Items]      
Revenues from unaffiliated customers 30,921 40,372 59,226
Long-lived assets $ 43,459 $ 48,883 $ 69,372