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VARIABLE INTEREST ENTITIES - All Dale III (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Feb. 28, 2017
Equity Investments |  |  |  |
Investments in affiliate | $ 28,529 | $ 161,309 |  |
Percentage of available cash distributed | 100.00% |  |  |
All Dale Minerals III |  |  |  |
Equity Investments |  |  |  |
Investments in affiliate | $ 28,529 | 28,974 | $ 14,182 |
Other Commitment |  |  |  | $ 30,000
Distribution after hurdles (as a percent) | 25.00% |  |  |
Specified internal rate of return (as a percent) | 10.00% |  |  |
Percentage of available cash distributed | 125.00% |  |  |
Distributions received | $ 2,648 | $ 1,355 |  |
All Dale Minerals III | All Dale Minerals III |  |  |  |
Equity Investments |  |  |  |
Ownership percentage by limited partners | 13.90% |  |  |

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