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Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill by Operating Segment

Goodwill — Goodwill by operating segment as of December 31, 2020 and 2019 and changes for the years then ended are as follows (in thousands):

		Contract				Other
		Drilling				Operations				Total
Balance, December 31, 2018		$	395,060			$	15,696			$	410,756
Measurement period adjustment			—			$	2,104				2,104
Impairment			—				(17,800	)			(17,800	)
Balance, December 31, 2019		$	395,060			$	—			$	395,060
Impairment			(395,060	)			—				(395,060	)
Balance, December 31, 2020		$	—			$	—			$	—

Summary of Segment and Weighted Average Useful Life of Intangible Assets

The following table identifies the segment and weighted average useful life of each of our intangible assets:

				Weighted Average
		Segment		Useful Life
				(in years)
Customer relationships		Directional drilling		3.00
Customer relationships		Other operations		7.00
Developed technology		Directional drilling		5.89
Internal use software		Directional drilling		5.00

Gross Carrying Amount and Accumulated Amortization of Intangible Assets

The gross carrying amount and accumulated amortization of intangible assets as of December 31, 2020 and 2019 are as follows (in thousands):

		2020												2019
		Gross Carrying				Accumulated				Net Carrying				Gross Carrying				Accumulated				Net Carrying
		Amount				Amortization				Amount				Amount				Amortization				Amount
Customer relationships		$	28,000			$	(26,757	)		$	1,243			$	28,000			$	(19,710	)		$	8,290
Developed technology			55,772				(27,515	)			28,257				55,772				(15,386	)			40,386
Internal use software			906				(319	)			587				482				(214	)			268
		$	84,678			$	(54,591	)		$	30,087			$	84,254			$	(35,310	)		$	48,944

Remaining Amortization Expense Associated with Finite-Lived Intangible Assets

The remaining amortization expense associated with finite-lived intangible assets is expected to be as follows (in thousands):

Year ending December 31,
2021		$	12,568
2022			12,546
2023			1,119
2024			1,119
2025			1,068
Thereafter			1,667
Total		$	30,087

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Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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

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Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

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