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Debt (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Short-term debt: |  |  |
Bank Credit Facility |  | $ 0 | $ 0
Long-term debt, current and noncurrent: |  |  |
Long-term debt |  | 247,209 | 246,975
Total | [1] | $ 247,209 | 246,975
Final Maturity |  | 2019 |
Senior Note 4.50 % [Member] |  |  |
Long-term debt, current and noncurrent: |  |  |
Long-term debt | [1] | $ 247,209 | $ 246,975
Debt Effective Interest Rates | [1] | 4.50% |
Final Maturity |  | 2025 |
[1] | The Company designates debt obligations as “long-term” based on maturity date at issuance.

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