Acquisitions and Divestitures - Divestitures (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sales of property, plant and equipment	$ 265,000	$ 17,486,000
Gain (loss) on sale of oil and gas property	0
Certain Property, Plant And Equipment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sales of property, plant and equipment	$ 17,500,000