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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill by Operating Segment

Goodwill — Goodwill by operating segment as of September 30, 2019 and changes for the nine months then ended are as follows (in thousands):

	Contract				Other
	Drilling				Operations				Total
Balance at beginning of period	$	395,060			$	15,696			$	410,756
Changes to goodwill		—				2,104				2,104
Impairment		—				(17,800	)			(17,800	)
Balance at end of period	$	395,060			$	-			$	395,060

Gross Carrying Amount and Accumulated Amortization of Intangible Assets

Intangible Assets — The following table presents the gross carrying amount and accumulated amortization of the intangible assets as of September 30, 2019 and December 31, 2018 (in thousands):

	September 30, 2019												December 31, 2018
	Gross								Net				Gross								Net
	Carrying				Accumulated				Carrying				Carrying				Accumulated				Carrying
	Amount				Amortization				Amount				Amount				Amortization				Amount
Customer relationships	$	28,000				(17,463	)			10,537			$	28,000			$	(10,719	)		$	17,281
Developed technology		55,772				(12,355	)			43,417				55,772				(6,533	)			49,239
Favorable drilling contracts		—				—				—				22,500				(22,500	)			—
Internal use software		482				(188	)			294				482				(118	)			364
		84,254				(30,006	)			54,248			$	106,754			$	(39,870	)		$	66,884

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- References

No definition available.

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267

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