Segments and Geographic Area Analysis (Tables)

6 Months Ended

Jun. 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 June 30, 2019
	Total Contract Drilling Revenues		Revenues Related to Reimbursable Expenses			Total
United States	$	117,423	$	1,603		$	119,026
South America		29,139		(23	)		29,116
Europe		39,413		2,930			42,343
Australia		21,298		4,923			26,221
Total	$	207,273	$	9,433		$	216,706

	Six Months Ended June 30, 2019
	Total Contract Drilling Revenues		Revenues Related to Reimbursable Expenses		Total
United States	$	256,055	$	3,551	$	259,606
South America		82,423		6		82,429
Europe		64,022		4,836		68,858
Australia		31,470		7,885		39,355
Total	$	433,970	$	16,278	$	450,248

	Three Months Ended June 30, 2018
	Total Contract Drilling Revenues		Revenues Related to Reimbursable Expenses		Total
United States(1)	$	162,202	$	1,172	$	163,374
South America		26,288		-		26,288
Europe		18,738		1,742		20,480
Australia/Asia		58,125		594		58,719
Total	$	265,353	$	3,508	$	268,861

^{(1) Includes $3.6 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.}

	Six Months Ended June 30, 2018
	Total Contract Drilling Revenues		Revenues Related to Reimbursable Expenses		Total
United States(1)	$	326,641	$	3,309	$	329,950
South America		80,556		1		80,557
Europe		30,130		3,120		33,250
Australia/Asia		115,952		4,662		120,614
Total	$	553,279	$	11,092	$	564,371

^{(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.}