Derivatives (Tables)

3 Months Ended

Mar. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

At March 31, 2018, the Partnership was a party to the following interest rate swaps, which were entered into to offset changes in expected cash flows due to fluctuations in the associated variable interest rates:



Expiration Date	Notional Value (in millions)
May 2019	$	100.0
May 2020	100.0
March 2022	300.0
	$	500.0

Effect of derivative instruments on consolidated financial position

The following tables present the effect of derivative instruments on our consolidated financial position and results of operations (in thousands):



		Fair Value Asset (Liability)
	Balance Sheet Location	March 31, 2018		December 31, 2017
Derivatives designated as hedging instruments:
Interest rate swaps	Other current assets	$	1,646	$	186
Interest rate swaps	Other long-term assets	8,164		4,490
Interest rate swaps	Accrued liabilities	—		(134		)
Total derivatives		$	9,810	$	4,542

Effect of derivative instruments on results of operations



	Pre-tax Gain Recognized in Other Comprehensive Income (Loss) on Derivatives		Location of Pre-tax Loss Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Loss)	Pre-tax Loss Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (Loss)
Derivatives designated as cash flow hedges:
Interest rate swaps
Three months ended March 31, 2018	$	4,696	Interest expense	$	(474	)
Three months ended March 31, 2017	699		Interest expense	(1,013		)



	Location and Amount of Gain (Loss) Recognized in Income on Cash Flow Hedging Relationships
	Three Months Ended March 31, 2018
	Interest Expense
Total amounts of income and expense line items presented in the statement of operations in which the effects of cash flow hedges are recorded	$	22,547
Interest Contracts:
Amount of loss reclassified from accumulated other comprehensive income into income	$	(54	)
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income as a result that a forecasted transaction is no longer probable of occurring	$	—

- Definition

Tabular disclosure of credit derivatives which includes information by sellers of credit derivatives, about each credit derivative, or each group of similar credit derivatives, including (a) the nature of the credit derivative - its term, how it arose, the events or circumstances that would require the seller to perform under the credit derivative, and the current status of the payment/performance risk of the credit derivative; (b) the maximum potential amount of future payments (undiscounted) the seller could be required to make under the credit derivative; (c) the current fair value of the credit derivative; and (d) the nature of any recourse provisions under the credit derivative, and any assets held either as collateral or by third parties. A credit derivative is a derivative instrument (1) in which one or more of its underlyings are related to the credit risk of a specified entity (or a group of entities) or an index based on the credit risk of a group of entities and (2) that exposes the seller to potential loss from credit-risk-related events specified in the contract. Examples of credit derivatives within the scope of this paragraph include, but are not limited to, credit default swaps, credit spread options, and credit index products; also includes a hybrid instrument that has an embedded credit derivative (for example, but not limited to, a credit-linked note).

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