Oil and Gas Properties (Tables)

6 Months Ended

Jun. 30, 2019

Extractive Industries [Abstract]

Schedule of Oil and Gas Properties

Oil and gas properties as of the dates shown consisted of the following:

(In thousands)	June 30, 2019			December 31, 2018
Oil and gas properties, at cost, using the full cost method of accounting:
Unevaluated property	$	244,755		$	228,151
Evaluated property	355,563			289,851
Total oil and gas properties, at cost	600,318			518,002
Less accumulated depreciation, depletion, and amortization	(41,214		)	(27,628		)
Total oil and gas properties, net	$	559,104		$	490,374