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Fair Value of Financial Instruments | 6 Months Ended
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Jun. 30, 2019
Fair Value Disclosures [Abstract] |
Fair Value of Financial Instruments | Note 5 – Fair Value of Financial Instruments ASC 820, Fair Value Measurements, states that fair value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or a liability. The three-tiered fair value hierarchy, which prioritizes which inputs should be used in measuring fair value, is comprised of: (Level I) observable inputs such as quoted prices in active markets; (Level II) inputs other than quoted prices in active markets that are observable either directly or indirectly and (Level III) unobservable inputs for which there is little or no market data. The fair value hierarchy requires the use of observable market data when available in determining fair value. Our assets and liabilities that were measured at fair value on a recurring basis were as follows (in thousands):
|  | June 30, 2019 |  |  | December 31, 2018 |
|  | Fair Value |  |  | Level I |  |  | Level II |  |  | Level III |  |  | Fair Value |  |  | Level I |  |  | Level II |  |  | Level III |
Money market funds (cash and cash equivalents & restricted cash) |  | $ | 1,723,321 |  |  | $ | 1,723,321 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,812,828 |  |  | $ | 1,812,828 |  |  | $ | — |  |  | $ | — |
Interest rate swap (liability) asset, net |  |  | (26,839 | ) |  |  | — |  |  |  | (26,839 | ) |  |  | — |  |  |  | 11,070 |  |  |  | — |  |  |  | 11,070 |  |  |  | — |
Total |  | $ | 1,696,482 |  |  | $ | 1,723,321 |  |  | $ | (26,839 | ) |  | $ | — |  |  | $ | 1,823,898 |  |  | $ | 1,812,828 |  |  | $ | 11,070 |  |  | $ | — |
All of our money market funds were classified within Level I of the fair value hierarchy because they were valued using quoted prices in active markets. Our interest rate swaps were classified within Level II of the fair value hierarchy because they were valued using alternative pricing sources or models that utilized market observable inputs, including current and forward interest rates. During the six months ended June 30, 2019, there were no transfers between the levels of the fair value hierarchy. Interest Rate Swaps We enter into fixed-for-floating interest rate swap agreements to swap variable interest payments on certain debt for fixed interest payments, as required by certain of our lenders. We do not designate our interest rate swaps as hedging instruments. Accordingly, our interest rate swaps are recorded at fair value on the consolidated balance sheets within other assets or other long-term liabilities, with any changes in their fair values recognized as other income (expense), net, in the consolidated statements of operations and with any cash flows recognized as investing activities in the consolidated statements of cash flows. Our interest rate swaps outstanding were as follows (in thousands):
|  | June 30, 2019 |  |  | December 31, 2018 |
|  | Aggregate Notional Amount |  |  | Gross Asset at Fair Value |  |  | Gross Liability at Fair Value |  |  | Aggregate Notional Amount |  |  | Gross Asset at Fair Value |  |  | Gross Liability at Fair Value |
Interest rate swaps |  | $ | 862,853 |  |  | $ | 1,517 |  |  | $ | 28,356 |  |  | $ | 800,293 |  |  | $ | 12,159 |  |  | $ | 1,089 |
Our interest rate swaps activity was as follows (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
Gross gains |  | $ | — |  |  | $ | 2,747 |  |  | $ | 155 |  |  | $ | 12,410 |
Gross losses |  | $ | 18,521 |  |  | $ | 1,170 |  |  | $ | 37,964 |  |  | $ | 1,205 |
Disclosure of Fair Values Our financial instruments that are not re-measured at fair value include accounts receivable, MyPower customer notes receivable, rebates receivable, accounts payable, accrued liabilities, customer deposits, the participation interest and debt. The carrying values of these financial instruments other than the participation interest, the convertible senior notes, the 5.30% Senior Notes due in 2025, the solar asset-backed notes, the solar loan-backed notes and the automotive asset-backed notes approximate their fair values. We estimate the fair value of the convertible senior notes and the 5.30% Senior Notes due in 2025 using commonly accepted valuation methodologies and market-based risk measurements that are indirectly observable, such as credit risk (Level II). In addition, we estimate the fair values of the participation interest, the solar asset-backed notes, the solar loan-backed notes and the automotive asset-backed notes based on rates currently offered for instruments with similar maturities and terms (Level III). The following table presents the estimated fair values and the carrying values (in thousands):
|  | June 30, 2019 |  |  | December 31, 2018 |
|  | Carrying Value |  |  | Fair Value |  |  | Carrying Value |  |  | Fair Value |
Convertible senior notes |  | $ | 4,150,996 |  |  | $ | 4,727,156 |  |  | $ | 3,660,316 |  |  | $ | 4,346,642 |
Senior notes |  | $ | 1,780,345 |  |  | $ | 1,584,000 |  |  | $ | 1,778,756 |  |  | $ | 1,575,000 |
Participation interest |  | $ | 19,802 |  |  | $ | 19,285 |  |  | $ | 18,946 |  |  | $ | 18,431 |
Solar asset-backed notes |  | $ | 1,169,430 |  |  | $ | 1,214,611 |  |  | $ | 1,183,675 |  |  | $ | 1,206,755 |
Solar loan-backed notes |  | $ | 189,956 |  |  | $ | 202,891 |  |  | $ | 203,052 |  |  | $ | 211,788 |
Automotive asset-backed notes |  | $ | 945,614 |  |  | $ | 952,042 |  |  | $ | 1,172,160 |  |  | $ | 1,179,910 |

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -URI http://asc.fasb.org/topic&trid=2155941 + Details
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