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Derivatives (Tables) | 9 Months Ended
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Sep. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of interest rate swaps | At September 30, 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 (in millions):
Expiration Date |  | Notional Value
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 the derivative instruments designated as cash flow hedging instruments on our condensed consolidated balance sheets (in thousands):
| Fair Value Asset (Liability)
| September 30, 2018 |  | December 31, 2017
Other current assets | $ | 3,592 |  |  | $ | 186 |
Other long-term assets | 9,487 |  |  | 4,490 |
Accrued liabilities | — |  |  | (134 | )
| $ | 13,079 |  |  | $ | 4,542 |
Effect of derivative instruments on results of operations | The following tables present the effect of the derivative instruments designated as cash flow hedging instruments on our condensed consolidated statements of operations (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Pre-tax gain recognized in other comprehensive income (loss) | $ | 1,642 |  |  | $ | 1,919 |  |  | $ | 8,583 |  |  | $ | 2,282 |
Pre-tax gain (loss) reclassified from accumulated other comprehensive income (loss) into interest expense | 429 |  |  | (678 | ) |  | (83 | ) |  | (2,521 | )
| Three Months Ended September 30, 2018 |  | Nine Months Ended September 30, 2018
Total amount of interest expense in which the effects of cash flow hedges are recorded | $ | 23,518 |  |  | $ | 69,402 |
Amount of gain reclassified from accumulated other comprehensive income (loss) into interest expense | 429 |  |  | 582 |

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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