Segments and Geographic Area Analysis (Tables)

9 Months Ended

Sep. 30, 2023

Segment Reporting [Abstract]

Summary of Information About Disaggregated Revenue by Country

The following tables provide information about disaggregated revenue by country (in thousands):

	Three Months Ended September 30, 2023
	Total  Contract  Drilling  Revenues		Revenues  Related to  Reimbursable  Expenses		Total
United States	$	123,140	$	8,885	$	132,025
United Kingdom		36,207		4,839		41,046
Senegal		29,365		3,539		32,904
Brazil		18,982		—		18,982
Australia		17,235		2,766		20,001
Total	$	224,929	$	20,029	$	244,958

	Nine Months Ended September 30, 2023
	Total  Contract  Drilling  Revenues		Revenues  Related to  Reimbursable  Expenses		Total
United States	$	357,650	$	29,974	$	387,624
United Kingdom		113,750		10,491		124,241
Senegal		135,360		9,247		144,607
Brazil		60,710		—		60,710
Australia		36,832		4,528		41,360
Total	$	704,302	$	54,240	$	758,542

	Three Months Ended September 30, 2022
	Total  Contract  Drilling  Revenues		Revenues  Related to  Reimbursable  Expenses		Total
United States	$	70,970	$	26,917	$	97,887
United Kingdom		26,111		2,520		28,631
Senegal		46,274		2,603		48,877
Brazil		21,564		—		21,564
Australia		24,616		4,049		28,665
Myanmar		326		123		449
Total	$	189,861	$	36,212	$	226,073

	Nine Months Ended September 30, 2022
	Total  Contract  Drilling  Revenues		Revenues  Related to  Reimbursable  Expenses		Total
United States	$	226,425	$	69,121	$	295,546
United Kingdom		47,506		6,407		53,913
Senegal		100,094		8,451		108,545
Brazil		60,583		—		60,583
Australia		72,475		10,095		82,570
Myanmar		9,909		6,948		16,857
Total	$	516,992	$	101,022	$	618,014