Stock-Based Compensation (Schedule of Restricted Stock Awards and Stock Options) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Abstract]
Recognized stock compensation expense	$ 2,500	$ 3,800
Capitalized stock compensation cost for our oil and natural gas properties	0	600
Tax benefit on stock based compensation	$ 600	$ 900

Share-based Compensation Arrangement by Share-based Payment Award [Abstract]

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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Amount of cost capitalized for award under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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