EQUITY METHOD INVESTMENTS (Details) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2014 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Equity Method Investments | ||||
| Cash contribution made | $ 4,445 | |||
| Income (loss) from equity method investments | $ 5,076 | $ 4,476 | (2,185) | |
| Investment into the entity controlled by a related party | $ 20,873 | 17,459 | ||
| Moelis Australia Holdings | ||||
| Equity Method Investments | ||||
| Ownership percentage (as a percent) | 50.00% | |||
| Cash contribution made | 4,180 | |||
| Income (loss) from equity method investments | $ 3,383 | 308 | (2,185) | |
| Entity controlled by Moelis Asset Management LP | ||||
| Equity Method Investments | ||||
| Cash contribution made | $ 265 | |||
| Income (loss) from equity method investments | 1,693 | 4,168 | 0 | |
| Cash distributions | 1,427 | $ 4,669 | $ 0 | |
| Investment into the entity controlled by a related party | $ 30 | |||