FAIR VALUE - Additional Information (Details) - USD ($) |
Sep. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Amount of transfers between Level 1 and Level 2 | $ 0 | |
| Fixed rate debt greater than carrying value | 135,900,000 | $ 98,600,000 |
| Fixed rate debt carrying value | $ 1,587,100,000 | $ 1,585,600,000 |