Fair Value (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table presents the fair value hierarchy for our assets and liabilities measured at fair value on a recurring basis (in thousands):

	Level in Fair Value Hierarchy	Fair Value
		June 30, 2023		December 31, 2022
Assets:
Other non-current assets:
Equity securities (1)	1	$	721	$	723
Liabilities:
Other current liabilities:
Contingent consideration associated with acquisitions	3	$	4,336	$	—
Other long-term liabilities:
Contingent consideration associated with acquisitions	3	8,692		13,400
Total liabilities		$	13,028	$	13,400

(1) Represents our investments in autonomous technology companies. For additional information regarding the valuation of these equity securities, see Note 7 – Investments.

Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The following table presents changes in the fair value of our contingent earnout liabilities (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Balance at beginning of period	$	12,877	$	2,500	$	13,400	$	2,500
Measurement period adjustment associated with the acquisition of ReedTMS (1)	—		—		(800)		—
Change in fair value	151		—		428		—
Balance at end of period	$	13,028	$	2,500	$	13,028	$	2,500

(1) The measurement period adjustment was recorded in goodwill on the consolidated condensed balance sheet.