| Fair Value Measurements and Derivative Instruments | Fair Value Measurements and Derivative Instruments Fair Value Measurements The estimated fair value of our financial instruments that are not measured at fair value, categorized based upon the fair value hierarchy, are as follows (in thousands): Fair Value Measurements at March 31, 2019 Using Fair Value Measurements at December 31, 2018 Using Description Total Carrying Amount Total Fair Value Level 1 (1) Level 2 (2) Level 3 (3) Total Carrying Amount Total Fair Value Level 1 (1) Level 2 (2) Level 3 (3) Assets: Cash and cash equivalents (4) $ 248,197 $ 248,197 $ 248,197 $ — $ — $ 287,852 $ 287,852 $ 287,852 $ — $ — Total Assets $ 248,197 $ 248,197 $ 248,197 $ — $ — $ 287,852 $ 287,852 $ 287,852 $ — $ — Liabilities: Long-term debt (including current portion of debt) (5) $ 9,045,459 $ 9,581,920 $ — $ 9,581,920 $ — $ 9,871,267 $ 10,244,214 $ — $ 10,244,214 $ — Total Liabilities $ 9,045,459 $ 9,581,920 $ — $ 9,581,920 $ — $ 9,871,267 $ 10,244,214 $ — $ 10,244,214 $ — (1) Inputs based on quoted prices (unadjusted) in active markets for identical assets or liabilities that we have the ability to access. Valuation of these items does not entail a significant amount of judgment. (2) Inputs other than quoted prices included within Level 1 that are observable for the liability, either directly or indirectly. For unsecured revolving credit facilities and unsecured term loans, fair value is determined utilizing the income valuation approach. This valuation model takes into account the contract terms of our debt such as the debt maturity and the interest rate on the debt. The valuation model also takes into account the creditworthiness of the Company. (3) Inputs that are unobservable. The Company did not use any Level 3 inputs as of March 31, 2019 and December 31, 2018 . (4) Consists of cash and marketable securities with original maturities of less than 90 days. (5) Consists of unsecured revolving credit facilities, senior notes, senior debentures and term loans. These amounts do not include our capital lease obligations or commercial paper. Other Financial Instruments The carrying amounts of accounts receivable, accounts payable, accrued interest, accrued expenses and commercial paper approximate fair value at March 31, 2019 and December 31, 2018 . Assets and liabilities that are recorded at fair value have been categorized based upon the fair value hierarchy. The following table presents information about the Company’s financial instruments recorded at fair value on a recurring basis (in thousands): Fair Value Measurements at March 31, 2019 Using Fair Value Measurements at December 31, 2018 Using Description Total Level 1 (1) Level 2 (2) Level 3 (3) Total Level 1 (1) Level 2 (2) Level 3 (3) Assets: Derivative financial instruments (4) $ 119,082 $ — $ 119,082 $ — $ 65,297 $ — $ 65,297 $ — Total Assets $ 119,082 $ — $ 119,082 $ — $ 65,297 $ — $ 65,297 $ — Liabilities: Derivative financial instruments (5) $ 210,426 $ — $ 210,426 $ — $ 201,812 $ — $ 201,812 $ — Contingent consideration (6) 44,000 — — 44,000 44,000 — — 44,000 Total Liabilities $ 254,426 $ — $ 210,426 $ 44,000 $ 245,812 $ — $ 201,812 $ 44,000 (1) Inputs based on quoted prices (unadjusted) in active markets for identical assets or liabilities that we have the ability to access. Valuation of these items does not entail a significant amount of judgment. (2) Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly. For foreign currency forward contracts, interest rate swaps and fuel swaps, fair value is derived using valuation models that utilize the income valuation approach. These valuation models take into account the contract terms, such as maturity, as well as other inputs, such as foreign exchange rates and curves, fuel types, fuel curves and interest rate yield curves. Derivative instrument fair values take into account the creditworthiness of the counterparty and the Company. (3) Inputs that are unobservable. (4) Consists of foreign currency forward contracts, interest rate swaps and fuel swaps. Refer to the “Fair Value of Derivative Instruments” table for breakdown by instrument type. (5) Consists of foreign currency forward contracts, interest rate swaps and fuel swaps. Refer to the “Fair Value of Derivative Instruments” table for breakdown by instrument type. (6) The contingent consideration related to the Silversea Cruises acquisition was estimated by applying a Monte-Carlo simulation method using our closing stock price along with significant inputs not observable in the market, including the probability of achieving the milestones and estimated future operating results. The Monte-Carlo simulation is a generally accepted statistical technique used to generate a defined number of valuation paths in order to develop a reasonable estimate of fair value. Refer to Note 3. Business Combination for further information on the Silversea Cruises acquisition. The reported fair values are based on a variety of factors and assumptions. Accordingly, the fair values may not represent actual values of the financial instruments that could have been realized as of March 31, 2019 or December 31, 2018 , or that will be realized in the future, and do not include expenses that could be incurred in an actual sale or settlement. We have master International Swaps and Derivatives Association (“ISDA”) agreements in place with our derivative instrument counterparties. These ISDA agreements generally provide for final close out netting with our counterparties for all positions in the case of default or termination of the ISDA agreement. We have determined that our ISDA agreements provide us with rights of setoff on the fair value of derivative instruments in a gain position and those in a loss position with the same counterparty. We have elected not to offset such derivative instrument fair values in our consolidated balance sheets. See Credit Related Contingent Features for further discussion on contingent collateral requirements for our derivative instruments. The following table presents information about the Company’s offsetting of financial assets under master netting agreements with derivative counterparties (in thousands): Gross Amounts not Offset in the Consolidated Balance Sheet that are Subject to Master Netting Agreements As of March 31, 2019 As of December 31, 2018 Gross Amount of Derivative Assets Presented in the Consolidated Balance Sheet Gross Amount of Eligible Offsetting Cash Collateral Net Amount of Gross Amount of Derivative Assets Presented in the Consolidated Balance Sheet Gross Amount of Eligible Offsetting Cash Collateral Net Amount of Derivatives subject to master netting agreements $ 119,082 $ (100,198 ) $ — $ 18,884 $ 65,297 $ (60,303 ) $ — $ 4,994 Total $ 119,082 $ (100,198 ) $ — $ 18,884 $ 65,297 $ (60,303 ) $ — $ 4,994 The following table presents information about the Company’s offsetting of financial liabilities under master netting agreements with derivative counterparties (in thousands): Gross Amounts not Offset in the Consolidated Balance Sheet that are Subject to Master Netting Agreements As of March 31, 2019 As of December 31, 2018 Gross Amount of Derivative Liabilities Presented in the Consolidated Balance Sheet Gross Amount of Eligible Offsetting Cash Collateral Net Amount of Gross Amount of Derivative Liabilities Presented in the Consolidated Balance Sheet Gross Amount of Eligible Offsetting Cash Collateral Net Amount of Derivatives subject to master netting agreements $ (210,426 ) $ 100,198 $ — $ (110,228 ) $ (201,812 ) $ 60,303 $ — $ (141,509 ) Total $ (210,426 ) $ 100,198 $ — $ (110,228 ) $ (201,812 ) $ 60,303 $ — $ (141,509 ) Concentrations of Credit Risk We monitor our credit risk associated with financial and other institutions with which we conduct significant business and, to minimize these risks, we select counterparties with credit risks acceptable to us and we seek to limit our exposure to an individual counterparty. Credit risk, including but not limited to counterparty nonperformance under derivative instruments, our credit facilities and new ship progress payment guarantees, is not considered significant, as we primarily conduct business with large, well-established financial institutions, insurance companies and export credit agencies many of which we have long-term relationships with and which have credit risks acceptable to us or where the credit risk is spread out among a large number of counterparties. As of March 31, 2019 and December 31, 2018 , we had counterparty credit risk exposure under our derivative instruments of $19.2 million and $5.6 million , respectively, which were limited to the cost of replacing the contracts in the event of non-performance by the counterparties to the contracts, the majority of which are currently our lending banks. We do not anticipate nonperformance by any of our significant counterparties. In addition, we have established guidelines we follow regarding credit ratings and instrument maturities to maintain safety and liquidity. We do not normally require collateral or other security to support credit relationships; however, in certain circumstances this option is available to us. Derivative Instruments We are exposed to market risk attributable to changes in interest rates, foreign currency exchange rates and fuel prices. We try to mitigate these risks through a combination of our normal operating and financing activities and through the use of derivative financial instruments pursuant to our hedging practices and policies. The financial impact of these hedging instruments is primarily offset by corresponding changes in the underlying exposures being hedged. We achieve this by closely matching the notional amount, term and conditions of the derivative instrument with the underlying risk being hedged. Although certain of our derivative financial instruments do not qualify or are not accounted for under hedge accounting, our objective is not to hold or issue derivative financial instruments for trading or other speculative purposes. We enter into various forward, swap and option contracts to manage our interest rate exposure and to limit our exposure to fluctuations in foreign currency exchange rates and fuel prices. These instruments are recorded on the balance sheet at their fair value and the vast majority are designated as hedges. We also use non-derivative financial instruments designated as hedges of our net investment in our foreign operations and investments. At inception of the hedge relationship, a derivative instrument that hedges the exposure to changes in the fair value of a firm commitment or a recognized asset or liability is designated as a fair value hedge. A derivative instrument that hedges a forecasted transaction or the variability of cash flows related to a recognized asset or liability is designated as a cash flow hedge. Changes in the fair value of derivatives that are designated as fair value hedges are offset against changes in the fair value of the underlying hedged assets, liabilities or firm commitments. Gains and losses on derivatives that are designated as cash flow hedges are recorded as a component of Accumulated other comprehensive loss until the underlying hedged transactions are recognized in earnings. The foreign currency transaction gain or loss of our non-derivative financial instruments and the changes in the fair value of derivatives designated as hedges of our net investment in foreign operations and investments are recognized as a component of Accumulated other comprehensive loss along with the associated foreign currency translation adjustment of the foreign operation or investment, with the amortization of excluded components affecting earnings. On an ongoing basis, we assess whether derivatives used in hedging transactions are “highly effective” in offsetting changes in the fair value or cash flow of hedged items. We use the long-haul method to assess hedge effectiveness using regression analysis for each hedge relationship under our interest rate, foreign currency and fuel hedging programs. We apply the same methodology on a consistent basis for assessing hedge effectiveness to all hedges within each hedging program (i.e., interest rate, foreign currency and fuel). We perform regression analyses over an observation period of up to three years, utilizing market data relevant to the hedge horizon of each hedge relationship. High effectiveness is achieved when a statistically valid relationship reflects a high degree of offset and correlation between the changes in the fair values of the derivative instrument and the hedged item. If it is determined that a derivative is not highly effective as a hedge or hedge accounting is discontinued, any change in fair value of the derivative since the last date at which it was determined to be effective is recognized in earnings. Cash flows from derivative instruments that are designated as fair value or cash flow hedges are classified in the same category as the cash flows from the underlying hedged items. In the event that hedge accounting is discontinued, cash flows subsequent to the date of discontinuance are classified within investing activities. Cash flows from derivative instruments not designated as hedging instruments are classified as investing activities. We consider the classification of the underlying hedged item’s cash flows in determining the classification for the designated derivative instrument’s cash flows. We classify derivative instrument cash flows from hedges of benchmark interest rate or hedges of fuel expense as operating activities due to the nature of the hedged item. Likewise, we classify derivative instrument cash flows from hedges of foreign currency risk on our newbuild ship payments as investing activities. Interest Rate Risk Our exposure to market risk for changes in interest rates primarily relates to our debt obligations including future interest payments. At March 31, 2019 and December 31, 2018 , approximately 61.3% and 59.1% , respectively, of our debt was effectively fixed. We use interest rate swap agreements to modify our exposure to interest rate movements and to manage our interest expense. Market risk associated with our fixed rate debt is the potential increase in fair value resulting from a decrease in interest rates. We use interest rate swap agreements that effectively convert a portion of our fixed-rate debt to a floating-rate basis to manage this risk. At March 31, 2019 and December 31, 2018 , we maintained interest rate swap agreements on the following fixed-rate debt instruments: Debt Instrument Swap Notional as of March 31, 2019 (In thousands) Maturity Debt Fixed Rate Swap Floating Rate: LIBOR plus All-in Swap Floating Rate as of March 31, 2019 Oasis of the Seas term loan $ 105,000 October 2021 5.41% 3.87% 6.63% Unsecured senior notes 650,000 November 2022 5.25% 3.63% 6.32% $ 755,000 These interest rate swap agreements are accounted for as fair value hedges. Market risk associated with our long-term floating rate debt is the potential increase in interest expense from an increase in interest rates. We use interest rate swap agreements that effectively convert a portion of our floating-rate debt to a fixed-rate basis to manage this risk. At March 31, 2019 and December 31, 2018 , we maintained interest rate swap agreements on the following floating-rate debt instruments: Debt Instrument Swap Notional as of March 31, 2019 (In thousands) Maturity Debt Floating Rate All-in Swap Fixed Rate Celebrity Reflection term loan $ 327,250 October 2024 LIBOR plus 0.40% 2.85% Quantum of the Seas term loan 490,000 October 2026 LIBOR plus 1.30% 3.74% Anthem of the Seas term loan 513,542 April 2027 LIBOR plus 1.30% 3.86% Ovation of the Seas term loan 657,083 April 2028 LIBOR plus 1.00% 3.16% Harmony of the Seas term loan (1) 616,242 May 2028 EURIBOR plus 1.15% 2.26% $ 2,604,117 (1) Interest rate swap agreements hedging the Euro-denominated term loan for Harmony of the Seas include EURIBOR zero-floor matching the hedged debt EURIBOR zero-floor. Amount presented is based on the exchange rate as of March 31, 2019 . These interest rate swap agreements are accounted for as cash flow hedges. The notional amount of interest rate swap agreements related to outstanding debt as of both March 31, 2019 and December 31, 2018 was $3.4 billion . Foreign Currency Exchange Rate Risk Derivative Instruments Our primary exposure to foreign currency exchange rate risk relates to our ship construction contracts denominated in Euros, our foreign currency denominated debt and our international business operations. We enter into foreign currency forward contracts to manage portions of the exposure to movements in foreign currency exchange rates. As of March 31, 2019 , the aggregate cost of our ships on order, not including any ships on order by our Partner Brands and the two ships under the MOU for Silversea Cruises and the sixth Oasis-class ship for Royal Caribbean International that remain contingent upon certain conditions precedent, was $11.4 billion , of which we had deposited $667.8 million as of such date. At March 31, 2019 and December 31, 2018 , approximately 54.0% and 53.5% , respectively, of the aggregate cost of the ships under construction was exposed to fluctuations in the Euro exchange rate. Our foreign currency forward contract agreements are accounted for as cash flow or net investment hedges depending on the designation of the related hedge. On a regular basis, we enter into foreign currency forward contracts and, from time to time, we utilize cross-currency swap agreements and collar options to minimize the volatility resulting from the remeasurement of net monetary assets and liabilities denominated in a currency other than our functional currency or the functional currencies of our foreign subsidiaries. During the first quarter of 2019 , we maintained an average of approximately $663.6 million of these foreign currency forward contracts. These instruments are not designated as hedging instruments. For the quarters ended March 31, 2019 and 2018 , changes in the fair value of the foreign currency forward contracts resulted in a gain of $5.0 million and $5.6 million , respectively. These amounts were recognized in earnings within Other income (expense) in our consolidated statements of comprehensive income (loss). We consider our investments in our foreign operations to be denominated in relatively stable currencies and to be of a long-term nature. As of March 31, 2019 , we maintained foreign currency forward contracts and designated them as hedges of a portion of our net investments primarily in TUI Cruises of €101.0 million , or approximately $113.4 million based on the exchange rate at March 31, 2019 . These forward currency contracts mature in October 2021. The notional amount of outstanding foreign exchange contracts, excluding the forward contracts entered into to minimize remeasurement volatility, as of both March 31, 2019 and December 31, 2018 was $3.7 billion . Non-Derivative Instruments We also address the exposure of our investments in foreign operations by denominating a portion of our debt in our subsidiaries’ and investments’ functional currencies and designating it as a hedge of these subsidiaries and investments. We had designated debt as a hedge of our net investments primarily in TUI Cruises of €279.0 million , or approximately $313.2 million , as of March 31, 2019 . As of December 31, 2018 , we had designated debt as a hedge of our net investments in TUI Cruises of €280.0 million , or approximately $320.2 million . Fuel Price Risk Our exposure to market risk for changes in fuel prices relates primarily to the consumption of fuel on our ships. We use fuel swap agreements to mitigate the financial impact of fluctuations in fuel prices. Our fuel swap agreements are generally accounted for as cash flow hedges. At March 31, 2019 , we have hedged the variability in future cash flows for certain forecasted fuel transactions occurring through 2023 . As of March 31, 2019 and December 31, 2018 , we had the following outstanding fuel swap agreements: Fuel Swap Agreements As of March 31, 2019 As of December 31, 2018 (metric tons) 2019 648,400 856,800 2020 830,500 830,500 2021 488,900 488,900 2022 322,900 322,900 2023 — — Fuel Swap Agreements As of March 31, 2019 As of December 31, 2018 (% hedged) Projected fuel purchases: 2019 58 % 58 % 2020 54 % 54 % 2021 29 % 28 % 2022 18 % 19 % 2023 — % — % At March 31, 2019 , $45.9 million of estimated unrealized net gain (loss) associated with our cash flow hedges pertaining to fuel swap agreements is expected to be reclassified to earnings from Accumulated other comprehensive loss within the next twelve months. Reclassification is expected to occur as the result of fuel consumption associated with our hedged forecasted fuel purchases. The fair value and line item caption of derivative instruments recorded within our consolidated balance sheets were as follows (in thousands): Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Sheet Location As of March 31, 2019 As of December 31, 2018 Balance Sheet Location As of March 31, 2019 As of December 31, 2018 Fair Value Fair Value Fair Value Fair Value Derivatives designated as hedging instruments under ASC 815-20 (1) Interest rate swaps Other assets $ 6,010 $ 23,518 Other long-term liabilities $ 43,351 $ 40,467 Foreign currency forward contracts Derivative financial instruments 6,605 4,044 Derivative financial instruments 80,989 39,665 Foreign currency forward contracts Other assets 5,838 10,844 Other long-term liabilities 58,929 16,854 Fuel swaps Derivative financial instruments 53,470 10,966 Derivative financial instruments 7,757 37,627 Fuel swaps Other assets 46,783 9,204 Other long-term liabilities 19,123 65,182 Total derivatives designated as hedging instruments under 815-20 118,706 58,576 210,149 199,795 Derivatives not designated as hedging instruments under ASC 815-20 Foreign currency forward contracts Derivative financial instruments $ — $ 1,751 Derivative financial instruments $ — $ 808 Foreign currency forward contracts Other assets — 1,579 Other long-term liabilities — 833 Fuel swaps Derivative financial instruments 376 2,804 Derivative financial instruments 277 376 Fuel swaps Other Assets — 587 Other long-term liabilities — — Total derivatives not designated as hedging instruments under 815-20 376 6,721 277 2,017 Total derivatives $ 119,082 $ 65,297 $ 210,426 $ 201,812 (1) Accounting Standard Codification 815-20 “ Derivatives and Hedging. ” The location and amount of gain or (loss) recognized in income on fair value and cash flow hedging relationships were as follows (in thousands): Quarter Ended March 31, 2019 Quarter Ended March 31, 2018 Fuel Expense Depreciation and Amortization Expenses Interest Income (Expense) Other Income (Expense) Fuel Expense Depreciation and Amortization Expenses Interest Income (Expense) Other Income (Expense) Total amounts of income and expense line items presented in the statement of financial performance in which the effects of fair value or cash flow hedges are recorded $160,171 $292,285 $(90,631) $(5,088) $160,341 $240,230 $(60,145) $(24,100) The effects of fair value and cash flow hedging: Gain or (loss) on fair value hedging relationships in Subtopic 815-20 Interest contracts Hedged items n/a n/a $(8,459) $— n/a n/a 13,182 $— Derivatives designated as hedging instruments n/a n/a $(2,257) $— n/a n/a $(12,570) $— Gain or (loss) on cash flow hedging relationships in Subtopic 815-20 Interest contracts Amount of gain or (loss) reclassified from accumulated other comprehensive income (loss) into income n/a n/a $(391) n/a n/a n/a $(6,838) n/a Commodity contracts Amount of gain or (loss) reclassified from accumulated other comprehensive income (loss) into income $18,018 n/a n/a $(256) $(5,131) n/a n/a $325 Foreign exchange contracts Amount of gain or (loss) reclassified from accumulated other comprehensive income (loss) into income n/a $(3,334) n/a $(1,315) n/a $(3,312) n/a $42 The carrying value and line item caption of non-derivative instruments designated as hedging instruments recorded within our consolidated balance sheets were as follows (in thousands): Carrying Value Non-derivative instrument designated as Balance Sheet Location As of March 31, 2019 As of December 31, 2018 Foreign currency debt Current portion of debt $ 73,536 $ 38,168 Foreign currency debt Long-term debt 239,669 281,984 $ 313,205 $ 320,152 The effect of derivative instruments qualifying and designated as hedging instruments and the related hedged items in fair value hedges on the consolidated statements of comprehensive income (loss) was as follows (in thousands): Derivatives and Related Hedged Items under ASC 815-20 Fair Value Hedging Relationships Location of Gain (Loss) Recognized in Income on Derivative and Hedged Item Amount of Gain (Loss) Amount of Gain (Loss) Quarter Ended March 31, 2019 Quarter Ended March 31, 2018 Quarter Ended March 31, 2019 Quarter Ended March 31, 2018 Interest rate swaps Interest expense, net of interest capitalized $ (2,257 ) $ (12,570 ) $ (8,459 ) $ 13,182 Interest rate swaps Other income (expense) 8,092 — — — $ 5,835 $ (12,570 ) $ (8,459 ) $ 13,182 The fair value and line item caption of derivative instruments recorded within our consolidated balance sheets for the cumulative basis adjustment for fair value hedges were as follows (in thousands): Line Item in the Statement of Financial Position Where the Hedged Item is Included Carrying Amount of the Hedged Liabilities Cumulative amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Liabilities As of March 31, 2019 As of December 31, 2018 As of March 31, 2019 As of December 31, 2018 Current portion of debt and Long-term debt $ 734,266 $ 725,486 $ (16,306 ) $ (24,766 ) $ 734,266 $ 725,486 $ (16,306 ) $ (24,766 ) The effect of derivative instruments qualifying and designated as cash flow hedging instruments on the consolidated financial statements was as follows (in thousands): Derivatives Amount of Gain (Loss) Recognized in Location of Amount of Gain (Loss) Reclassified from Quarter Ended March 31, 2019 Quarter Ended March 31, 2018 Quarter Ended March 31, 2019 Quarter Ended March 31, 2018 Interest rate swaps $ (28,329 ) $ 37,191 Interest expense, net of interest capitalized $ (391 ) $ (6,838 ) Foreign currency forward contracts (90,144 ) 95,366 Depreciation and amortization expenses (3,334 ) (3,312 ) Foreign currency forward contracts — — Other income (expense) (1,315 ) 42 Fuel swaps — — Other income (expense) (256 ) 325 Fuel swaps 180,038 (4,941 ) Fuel 18,018 (5,131 ) $ 61,565 $ 127,616 $ 12,722 $ (14,914 ) The table below represents amounts excluded from the assessment of effectiveness for our net investment hedging instruments for which the difference between changes in fair value and periodic amortization is recorded in accumulated other comprehensive income (loss) (in thousands): Gain (Loss) Recognized in Income (Net Investment Excluded Components) Three Months Ended March 31, 2019 Net inception fair value at January 1, 2019 $ (8,359 ) Amount of gain recognized in income on derivatives for the period ended March 31, 2019 744 Amount of loss remaining to be amortized in accumulated other comprehensive loss, as of March 31, 2019 (656 ) Fair value at March 31, 2019 $ (8,271 ) The effect of non-derivative instruments qualifying and designated as net investment hedging instruments on the consolidated financial statements was as follows (in thousands): Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) Non-derivative instruments under ASC 815-20 Net Quarter Ended March 31, 2019 Quarter Ended March 31, 2018 Foreign Currency Debt $ 5,702 $ (8,244 ) $ 5,702 $ (8,244 ) There was no amount recognized in income (ineffective portion and amount excluded from effectiveness testing) for the quarters ended March 31, 2019 and 2018 . The effect of derivatives not designated as hedging instruments on the consolidated financial statements was as follows (in thousands): Amount of Gain (Loss) Recognized in Income on Derivatives Derivatives Not Designated as Hedging Location of Quarter Ended March 31, 2019 Quarter Ended March 31, 2018 Foreign currency forward contracts Other income (expense) $ 5,014 $ 5,635 Fuel swaps Fuel (136 ) (30 ) Fuel swaps Other income (expense) (98 ) 2,205 $ 4,780 $ 7,810 Credit Related Contingent Features Our current interest rate derivative instruments may require us to post collateral if our Standard & Poor’s and Moody’s credit ratings are below specified levels. Specifically, if on the fifth anniversary of executing a derivative instrument, or on any succeeding fifth-year anniversary, our credit ratings for our senior unsecured debt were to be rated below BBB- by Standard & Poor’s and Baa3 by Moody’s, then the counterparty may periodically demand that we post collateral in an amount equal to the difference between (i) the net market value of all derivative transactions with such counterparty that have reached their fifth year anniversary, to the extent negative, and (ii) the applicable minimum call amount. The amount of collateral required to be posted following such event will change as, and to the extent, our net liability position increases or decreases by more than the applicable minimum call amount. If our credit rating for our senior unsecured debt is subsequently equal to or above BBB- by Standard & Poor’s or Baa3 by Moody’s, then any collateral posted at such time will be released to us and we will no longer be required to post collateral unless we meet the collateral trigger requirement at the next fifth-year anniversary. At March 31, 2019 , five of our interest rate derivative instruments had reached their fifth anniversary; however, our senior unsecured debt credit rating was Baa2 by Moody’s and BBB- by Standard & Poor’s and, accordingly, we were not required to post any collateral as of such date. |
