9. Fair Value Measurements

We measure the fair value of our financial assets and liabilities using the highest level of inputs that are available as of the measurement date. The carrying amounts of cash, accounts receivable, and accounts payable approximate their fair value due to the immediate or short-term maturity of these financial instruments.

As of September 30, 2023 and December 31, 2022, the fair value of our First Lien Term Loan approximated its carrying value due to the debt’s variable interest rate terms.

As of September 30, 2023, we recognized assets in cash investments of $5,077, of which $4,992 are held in commercial paper and categorized as Level 2 assets and $85 held in money market funds, which are categorized as Level 1 assets. As of December 31, 2022, we recognized assets in cash investments of $5,032, of which $4,992 are held in commercial paper and categorized as Level 2 assets and $40 held in money market funds, which are categorized as Level 1 assets. These investments are highly liquid and have maturities of less than 90 days and are readily convertible to known amounts of cash, therefore, they are recorded within Cash and cash equivalents on the consolidated balance sheet. During the three and nine months ended September 30, 2023, interest income related to cash investments was not material.

We recognized a Level 3 contingent consideration liability in connection with the Downtowner Car Wash acquisition in December 2021. We measured its contingent consideration liability using Level 3 unobservable inputs. The contingent consideration liability is associated with the achievement of certain targets and is estimated at each balance sheet date by considering among other factors, results of completed periods and our most recent financial projection for future periods subject to earn-out payments. There are two components to the contingent consideration: a payment when we obtain the certificate of occupancy for the car wash and opens to the public in 2023 and an annual payment based on certain financial metrics of the acquired business. A change in the forecasted revenue or projected opening dates could result in a significantly lower or higher fair value measurement. We determined that there were no significant changes to the unobservable inputs that would have resulted in a change in fair value of this contingent consideration liability at September 30, 2023. During the three and nine months ended September 30, 2023, a payment was made upon receipt of certificate of occupancy of $0 and $500, respectively.

During the three and nine months ended September 30, 2023 and 2022, there were no transfers between fair value measurement levels.