Equity and Other Investments	12 Months Ended
Dec. 31, 2022
Equity and Other Investments
Equity and Other Investments	7. Equity and Other Investments During 2011 and 2012, the Company obtained common unit ownership interests in DriverTech, LLC (DriverTech). DriverTech is a provider of onboard computers designed for in-cab use and related software for the trucking industry. The Company owns 20.73% and certain members of management of the Company own 12.00%. The remaining 67.27% is owned by other investors. The carrying value of our investment in DriverTech was $0 as of December 31, 2022 and 2021, respectively. In conjunction with the sale of Arnold Transportation, Inc. (Arnold) to Parker Global Enterprises, Inc. (Parker), the Company received common stock representing 45% of the outstanding equity interests of Parker. The investment in Parker was accounted for under the equity method of accounting and was initially recognized at fair value of $10.4 million on January 2, 2013. In February 2020, we sold our interest in Parker to the management of Parker and recorded a loss of $2.0 million. During 2022, we recognized a gain of $1.3 million related to subsequent events. In December 2020, we invested $5.0 million consisting of 353,604 shares in TuSimple, a self-driving technology company. Effective April 15, 2021, TuSimple completed their initial public offering at a closing price of $40.00 per share. As we now have a readily determinable fair value based on quoted market prices, which makes this a Level 1 fair value measurement, we adjust the investment to fair value at each reporting period. During the year ending ended December 31, 2022 and 2021, respectively, we recognized an unrealized loss (gain) of $12.1 million and ($7.7) million in other expense (income), within the consolidated statements of comprehensive income (loss). The fair value of the investment was $0.6 million and $12.7 million at December 31, 2022 and 2021, respectively, and is included in other noncurrent assets on the accompanying consolidated balance sheets.

Equity and Other Investments

12 Months Ended

Dec. 31, 2022

7. Equity and Other Investments

During 2011 and 2012, the Company obtained common unit ownership interests in DriverTech, LLC (DriverTech). DriverTech is a provider of onboard computers designed for in-cab use and related software for the trucking industry. The Company owns 20.73% and certain members of management of the Company own 12.00%. The remaining 67.27% is owned by other investors. The carrying value of our investment in DriverTech was $0 as of December 31, 2022 and 2021, respectively.

In conjunction with the sale of Arnold Transportation, Inc. (Arnold) to Parker Global Enterprises, Inc. (Parker), the Company received common stock representing 45% of the outstanding equity interests of Parker. The investment in Parker was accounted for under the equity method of accounting and was initially recognized at fair value of $10.4 million on January 2, 2013. In February 2020, we sold our interest in Parker to the management of Parker and recorded a loss of $2.0 million. During 2022, we recognized a gain of $1.3 million related to subsequent events.

In December 2020, we invested $5.0 million consisting of 353,604 shares in TuSimple, a self-driving technology company. Effective April 15, 2021, TuSimple completed their initial public offering at a closing price of $40.00 per share. As we now have a readily determinable fair value based on quoted market prices, which makes this a Level 1 fair value measurement, we adjust the investment to fair value at each reporting period. During the year ending ended December 31, 2022 and 2021, respectively, we recognized an unrealized loss (gain) of $12.1 million and ($7.7) million in other expense (income), within the consolidated statements of comprehensive income (loss). The fair value of the investment was $0.6 million and $12.7 million at December 31, 2022 and 2021, respectively, and is included in other noncurrent assets on the accompanying consolidated balance sheets.