Segments and Geographic Area Analysis (Tables)

6 Months Ended

Jun. 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 June 30, 2023
	Total  Contract  Drilling  Revenues		Revenues  Related to  Reimbursable  Expenses		Total
United States	$	129,929	$	8,531	$	138,460
United Kingdom		59,841		4,592		64,433
Senegal		53,864		2,527		56,391
Brazil		21,068		—		21,068
Australia		288		923		1,211
Total	$	264,990	$	16,573	$	281,563

	Six Months Ended June 30, 2023
	Total  Contract  Drilling  Revenues		Revenues  Related to  Reimbursable  Expenses		Total
United States	$	234,510	$	21,089	$	255,599
United Kingdom		77,543		5,652		83,195
Senegal		105,995		5,708		111,703
Brazil		41,728		—		41,728
Australia		19,597		1,762		21,359
Total	$	479,373	$	34,211	$	513,584

	Three Months Ended June 30, 2022
	Total  Contract  Drilling  Revenues		Revenues  Related to  Reimbursable  Expenses		Total
United States	$	79,171	$	15,964	$	95,135
United Kingdom		19,089		2,459		21,548
Senegal		26,704		4,103		30,807
Brazil		19,753		—		19,753
Australia		32,162		3,442		35,604
Myanmar		—		2,855		2,855
Total	$	176,879	$	28,823	$	205,702

	Six Months Ended June 30, 2022
	Total  Contract  Drilling  Revenues		Revenues  Related to  Reimbursable  Expenses		Total
United States	$	155,453	$	42,203	$	197,656
United Kingdom		21,395		3,887		25,282
Senegal		53,820		5,849		59,669
Brazil		39,019		—		39,019
Australia		47,860		6,046		53,906
Myanmar		9,584		6,825		16,409
Total	$	327,131	$	64,810	$	391,941