OPERATIONS, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RECENTLY ADOPTED AND RECENTLY ISSUED ACCOUNTING STANDARDS - Lease maturities (Details) $ in Thousands	Mar. 31, 2020 USD ($)
OPERATIONS, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RECENTLY ADOPTED AND RECENTLY ISSUED ACCOUNTING STANDARDS
2020	$ 93
2021	826
2022	823
2023	811
2024	822
Thereafter	4,149
Total lease payments	7,524
Less imputed interest	(847)
Total	$ 6,677