OPERATING LEASES - Lease Not yet Commenced Maturity (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Leases [Abstract]
For the period of October 1, 2021 to December 31, 2021	$ 112
2022	599
2023	4,106
2024	4,497
2025	4,866
2026	5,255
Thereafter	34,356
Total rental payments	$ 53,791