Segment Information - Narratives (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) segment	Sep. 30, 2019 USD ($)
Segment Reporting Information
Number of segments | segment			2
Impairment of multi-client data library	$ 0	$ 0	$ 1,167,000	$ 0
Impairment of goodwill	$ 0	$ 0	4,150,000	0
Amortization of government relief funding expected to be forgiven			6,923,000	$ 0
E&P Operations Optimization
Segment Reporting Information
Impairment of goodwill			4,200,000
E&P Technology & Services
Segment Reporting Information
Impairment of goodwill			0
Operating segments | E&P Technology & Services
Segment Reporting Information
Impairment of multi-client data library			$ 1,200,000