SUBSEQUENT EVENTS (Details) - United Surgical Partners International - USD ($) $ in Millions |
1 Months Ended | |
|---|---|---|
Apr. 30, 2018 |
Mar. 31, 2018 |
|
| Baylor University | Put Option | ||
| Subsequent Event [Line Items] | ||
| Required equity necessary in joint venture | 5.00% | |
| Subsequent event | Welsh Carson | ||
| Subsequent Event [Line Items] | ||
| Payment made to purchase shares in joint venture | $ 630 | |
| Joint venture, ownership percentage acquired | 15.00% |