New Accounting Pronouncements (Details) - ASU No. 2015-03, Simplifying the Presentation of Debt Issuance Costs $ in Thousands	12 Months Ended
Dec. 31, 2015 USD ($)
unsecured term loan
New Accounting Pronouncements or Change in Accounting Principle
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 2,244
Senior unsecured notes
New Accounting Pronouncements or Change in Accounting Principle
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	$ 10,556

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration