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LEASES - Maturities of lease liabilities and minimum rental commitments under non-cancelable operating leases under ASC 840 (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Maturities of lease liabilities - Operating Leases
2021	$ 2,643
2022	2,123
2023	1,255
2024	981
2025	762
Thereafter	85
Total lease payments	7,849
Less imputed interest	(967)
Total	6,882	$ 8,026
Maturities of lease liabilities - Finance Leases
2021	97
2022	73
2023	12
2024	12
2025	9
Total lease payments	203
Less imputed interest	(7)
Total	$ 196	$ 74

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