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Leases - Maturities of the Company's lease liabilities (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Operating Leases
2021	$ 2,744
2022	1,548
2023	787
2024	102
2025	0
Thereafter	0
Total future lease payments	5,181
Less: Imputed interest	211
Present value of future lease payments	4,970
Finance Leases
2021	1,722
2022	1,210
2023	260
2024	45
2025	45
Thereafter	594
Total future lease payments	3,876
Less: Imputed interest	346
Present value of future lease payments	$ 3,530

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