Investments	6 Months Ended
Jun. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Investments	NOTE 3 – INVESTMENTS Cash and cash equivalents includes investments in money market funds that are valued based on the net asset value of the funds. The cash equivalents consist primarily of money market funds that are Level 1 measurements. The investments in these funds were $57.1 million as of June 30, 2017. We had no such investments as of December 31, 2016. All other investments are classified as held-to-maturity and consist of highly liquid instruments including corporate bonds and commercial paper. As of June 30, 2017, the amortized cost of these investments equaled the net carrying value, which was $25.3 million. We had no such investments as of December 31, 2016. All held-to-maturity securities as of June 30, 2017 mature in one year or less and are Level 2 measurements. See Note 7, Fair Value Measurements, for additional information.

Investments

6 Months Ended

Jun. 30, 2017

Investments, Debt and Equity Securities [Abstract]

NOTE 3 – INVESTMENTS

Cash and cash equivalents includes investments in money market funds that are valued based on the net asset value of the funds. The cash equivalents consist primarily of money market funds that are Level 1 measurements. The investments in these funds were $57.1 million as of June 30, 2017. We had no such investments as of December 31, 2016.

All other investments are classified as held-to-maturity and consist of highly liquid instruments including corporate bonds and commercial paper. As of June 30, 2017, the amortized cost of these investments equaled the net carrying value, which was $25.3 million. We had no such investments as of December 31, 2016. All held-to-maturity securities as of June 30, 2017 mature in one year or less and are Level 2 measurements. See Note 7, Fair Value Measurements, for additional information.