| **Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands**                         | Jan. 01, 2017 | Dec. 31, 2015 |
|-------------------------------------------------------------------------------------------------|---------------|---------------|
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**                |          |          |
| Reclassification of deferred charges and other assets to debt issuance costs                    |          | $ 23,165      |
| Scenario, Forecast [Member] | Adjustments for New Accounting Principle, Early Adoption [Member] |          |          |
| **New Accounting Pronouncements or Change in Accounting Principle [Line Items]**                |          |          |
| Adjustment to retained earnings, before tax                                                     | $ 2,805       |          |
| Adjustment to retained earnings, after tax                                                      | $ 1,823       |          |

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| - Definition
Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - 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.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
New Accounting Pronouncement Or Change In Accounting Principle, Cumulative Effect Of Change On Gross Equity Or Net Assets
+ References
No definition available.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Reclassifications, Deferred Charges And Other Assets, Net To Debt Issuance Costs
+ References
No definition available.
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