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Consolidated Statements of Stockholders Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018
Commodity and foreign currency derivatives income, tax	$ 6,306	$ 603	$ (7,295)	$ (9,871)	$ 0	$ 0
Commodity and foreign currency derivatives reclassification adjustments, tax	$ 666	$ 393	$ 392	$ 0	$ 0	0
Common stock dividend declared (usd per share)	$ 0.085	$ 0.085	$ 0.085	$ 0.085	$ 0.085
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	$ (92)	$ (33)	$ 3	$ 0	$ 0	$ 0
Affiliated Entity
Common stock dividend declared (usd per share)	$ 0.09	$ 0.09	$ 0.085	$ 0.09	$ 0.59	$ 3.68

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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