Commitments and Contingencies (Schedule of Future Payments of Legal Settlements) (Details) - Subsequent Event - Uprr $ in Thousands	Mar. 13, 2019 USD ($)
Loss Contingencies [Line Items]
2019	$ 10,000
2020	8,000
2021	8,000
2022	8,000
2023	8,000
2024	8,000
Total	$ 50,000

Litigation Settlement, Amount Awarded to Other Party, Scheduled Payment After Year Five

No definition available.

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- Definition

Litigation Settlement, Amount Awarded to Other Party, Scheduled Payment Remainder of Year

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No definition available.

+ Details

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- Definition

Litigation Settlement, Amount Awarded to Other Party, Scheduled Payment Year Five

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No definition available.

+ Details

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- Definition

Litigation Settlement, Amount Awarded to Other Party, Scheduled Payment Year Four

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No definition available.

+ Details

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- Definition

Litigation Settlement, Amount Awarded to Other Party, Scheduled Payment Year Three

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No definition available.

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- Definition

Litigation Settlement, Amount Awarded to Other Party, Scheduled Payment Year Two

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No definition available.

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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