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Accounting for Derivatives - Effect of Derivative Instruments on Balance Sheet (Details) - Derivatives designated as hedging instruments: - Interest rate swaps - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Fair Value Asset (Liability)
Total derivatives	$ (1,470)	$ (3,190)
Other long-term assets
Fair Value Asset (Liability)
Gross Asset	538	413
Accrued liabilities
Fair Value Asset (Liability)
Gross Liability	(1,928)	(3,226)
Other long-term liabilities
Fair Value Asset (Liability)
Gross Liability	$ (80)	$ (377)

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- Definition

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References

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