Subsequent Events - Additional Information (Detail) - $ / shares	May 05, 2019	Mar. 31, 2019	Dec. 31, 2018
Subsequent Event [Line Items]
Common stock par value per share		$ 0.0001	$ 0.0001
Subsequent Event [Member] | Midstates Petroleum Company, Inc and Midstates Holdings, Inc [Member]
Subsequent Event [Line Items]
Business acquisition equity interest received number of shares	0.933
Common stock par value per share	$ 0.01
Percentage of outstanding stock owned	50.00%