Revenue - Revenue by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue by Geographic Area [Line Items]
Revenues	$ 559,671	$ 524,031	$ 466,814	$ 1,529,861	$ 1,402,566
Africa [Member]
Revenue by Geographic Area [Line Items]
Revenues	78,955		78,890	210,274	213,087
United Kingdom [Member]
Revenue by Geographic Area [Line Items]
Revenues	45,234		46,254	130,122	135,401
Norway [Member]
Revenue by Geographic Area [Line Items]
Revenues	41,784		51,269	134,972	160,923
Asia Pacific [Member]
Revenue by Geographic Area [Line Items]
Revenues	62,097		43,919	161,202	123,616
Brazil [Member]
Revenue by Geographic Area [Line Items]
Revenues	36,638		30,238	104,940	78,411
Other Geographical [Member]
Revenue by Geographic Area [Line Items]
Revenues	25,085		22,912	69,253	69,183
Non-US [Member]
Revenue by Geographic Area [Line Items]
Revenues	289,793		273,482	810,763	780,621
UNITED STATES
Revenue by Geographic Area [Line Items]
Revenues	$ 269,878		$ 193,332	$ 719,098	$ 621,945