Segments and Geographic Area Analysis (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Summary of Information about Disaggregated Revenue by Primary Geographical Market

The following tables provide information about disaggregated revenue by primary geographical market (in thousands):

	Three Months Ended September 30, 2019
	Total Contract Drilling Revenues		Revenues Related to Reimbursable Expenses		Total
United States	$	110,854	$	1,479	$	112,333
South America		49,326		10		49,336
Europe		49,341		3,852		53,193
Australia		32,794		6,364		39,158
Total	$	242,315	$	11,705	$	254,020

	Nine Months Ended September 30, 2019
	Total Contract Drilling Revenues		Revenues Related to Reimbursable Expenses		Total
United States	$	366,907	$	5,029	$	371,936
South America		131,748		17		131,765
Europe		113,364		8,689		122,053
Australia		64,265		14,249		78,514
Total	$	676,284	$	27,984	$	704,268

	Three Months Ended September 30, 2018
	Total Contract Drilling Revenues		Revenues Related to Reimbursable Expenses			Total
United States	$	155,695	$	1,916		$	157,611
South America		49,410		(32	)		49,378
Europe		30,809		1,996			32,805
Australia/Asia		44,777		1,751			46,528
Total	$	280,691	$	5,631		$	286,322

	Nine Months Ended September 30, 2018
	Total Contract Drilling Revenues		Revenues Related to Reimbursable Expenses			Total
United States(1)	$	482,337	$	5,224		$	487,561
South America		129,966		(31	)		129,935
Europe		60,938		5,116			66,054
Australia/Asia		160,729		6,414			167,143
Total	$	833,970	$	16,723		$	850,693

^{(1) Includes $8.4 million in loss-of-hire insurance proceeds received in 2018 related to early contract terminations in prior years for two jack-up rigs that previously worked in Mexico.}