Subsequent Events - Additional Information (Detail) - USD ($) |
May 01, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Tyler Construction Company, Inc. [Member] | Subsequent Event [Member] | Diversified Gas & Oil Corp. [Member] | ||
| Subsequent Event [Line Items] | ||
| Asset retirement obligation, liabilities assumed by assignee | $ 87,469 | |
| Asset retirement obligation, liabilities settled by assignee | $ 32,530 | |
| Credit Agreement [Member] | ||
| Subsequent Event [Line Items] | ||
| Obligations outstanding under credit facility | $ 135,000,000 |