Financial instruments fair value (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Fair value, assets and liabilities measured on recurring basis

The fair value of these financial instruments were as follows:

	December 31, 2022
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets
Cash equivalents:
Money market funds	$	132,306	$	—	$	—	$	132,306
Total cash equivalents	$	132,306	$	—	$	—	$	132,306
Liabilities
Contingent consideration:
Accrued liabilities	$	—	$	—	$	6,206	$	6,206
Total contingent consideration	$	—	$	—	$	6,206	$	6,206

	December 31, 2021
	Level 1		Level 2		Level 3		Total
	(in thousands)
Assets
Cash equivalents:
Money market funds	$	146,037	$	—	$	—	$	146,037
Total cash equivalents	$	146,037	$	—	$	—	$	146,037
Liabilities
Contingent consideration:
Accrued liabilities	$	—	$	—	$	4,588	$	4,588
Other liabilities	—		—		5,512		5,512
Total contingent consideration	$	—	$	—	$	10,100	$	10,100

Summary of changes in contingent consideration classified as Level 3

The following table provides a summary of the changes in contingent consideration, which is classified as Level 3:

	Years Ended December 31,
	2022		2021		2020
	(in thousands)
Balance, beginning of period	$	10,100	$	8,200	$	9,200
Additions	—		359		—
Total (gains) losses included in:
Net loss	694		6,037		(1,000)
Payments	(4,588)		(4,206)		—
Other	—		(290)		—
Balance, end of period	$	6,206	$	10,100	$	8,200

Schedule of carrying values and estimated fair values of debt instruments

The following table presents the net carrying value and estimated fair value of the 2026 Notes, which are not recorded at fair value in the consolidated balance sheets:

	December 31, 2022				December 31, 2021
	Net Carrying Value		Estimated Fair Value		Net Carrying Value		Estimated Fair Value
	(in thousands)
2026 Notes	$	364,505	$	308,504	$	362,031	$	398,044