Derivatives - Offsetting Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Derivative assets, gross amounts	$ 6,253	$ 114
Derivative assets, gross amounts offset	0	0
Derivative assets, amounts net of offset	6,253	114
Financial collateral (obligation to return cash)	0	0
Derivative assets, net amount	6,253	114
Current assets
Assets
Derivative assets, gross amounts	6,253	114
Derivative assets, gross amounts offset	0	0
Derivative assets, amounts net of offset	6,253	114
Financial collateral (obligation to return cash)	0	0
Derivative assets, net amount	$ 6,253	$ 114

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, after effects of master netting arrangements, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.

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