Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of fair value of the financial assets and liabilities

The Company's financial assets and liabilities that are required to be measured at fair value on a recurring basis are as follows (dollars in thousands):

			Fair Value Measurements at December 31, 2023
	Total Fair Value at December 31, 2023		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs that Reflect the Company's own Assumptions (Level 3)
Assets:
Cash and cash equivalents
Cash	$	35,957	$	35,957	$	—	$	—
Money market funds	39,097		39,097		—		—
Marketable securities
Corporate, U.S. government agency and municipal debt securities	179,820		—		179,820		—
Long term marketable securities
Corporate and municipal debt securities	16,617		—		16,617		—
Other noncurrent assets
Marketable securities - restricted (SERP)	568		16		552		—
Total assets at fair value	$	272,059	$	75,070	$	196,989	$	—
Liabilities:
Contingent consideration	$	53,450	$	—	$	—	$	53,450
Total liabilities at fair value	$	53,450	$	—	$	—	$	53,450

			Fair Value Measurements at December 31, 2022
	Total Fair Value at December 31, 2022		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Unobservable Inputs that Reflect the Company's own Assumptions (Level 3)
Assets:
Cash and cash equivalents
Cash	$	52,181	$	52,181	$	—	$	—
Money market funds	40,939		40,939		—		—
Marketable securities
Corporate, U.S. government agency and municipal debt securities	368,214		—		368,214		—
Long term marketable securities
Corporate and municipal debt securities	93,896		—		93,896		—
Other noncurrent assets
Marketable securities - restricted (SERP)	496		11		485		—
Total assets at fair value	$	555,726	$	93,131	$	462,595	$	—
Liabilities:
Contingent consideration	$	54,967	$	—	$	—	$	54,967
Total liabilities at fair value	$	54,967	$	—	$	—	$	54,967

Schedule of financial liabilities that are not carried at fair value

The following table sets forth the carrying value and fair value of the Company's financial liabilities that are not carried at fair value (dollars in thousands):

	December 31, 2022
	Carrying Value		Fair Value (Level 2)
Convertible notes, net	$	401,968	$	395,959