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Derivatives - Derivative Activity (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 USD ($) institution | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) institution | Sep. 30, 2019 USD ($)
Derivative Instruments and Hedging Activities Disclosure |  |  |  |
(Gain) loss on derivative contracts | $ 5,299 | $ (1,756) | $ (7,168) | $ (1,547)
Cash received on settlements |  |  | $ 11,197 | 5,700
Number of counterparties to open derivative contracts | institution | 3 |  | 3 |
Commodity derivative contracts |  |  |  |
Derivative Instruments and Hedging Activities Disclosure |  |  |  |
(Gain) loss on derivative contracts | $ 5,299 | (1,756) | $ (7,168) | (1,547)
Cash received on settlements | $ (619) | $ (622) | $ (11,197) | $ (5,700)

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