Fair Value of Financial Measurements (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Liabilities:
Contingent consideration	$ 52,355	$ 53,450
Recurring
Other noncurrent assets
Marketable securities - restricted (SERP)	612	568
Total assets at fair value	310,010	272,059
Liabilities:
Contingent consideration	52,355	53,450
Total liabilities at fair value	52,355	53,450
Recurring \| Corporate, U.S. government agency and municipal debt securities
Marketable securities
Corporate, U.S. government agency and municipal debt securities	234,335	179,820
Recurring \| Corporate and municipal debt securities
Long-term marketable securities
Corporate and municipal debt securities	11,662	16,617
Recurring \| Cash
Cash and cash equivalents
Cash, Restricted Cash and Money market funds	14,272	35,957
Recurring \| Money market funds
Cash and cash equivalents
Cash, Restricted Cash and Money market funds	49,129	39,097
Recurring \| Level 1
Other noncurrent assets
Marketable securities - restricted (SERP)	17	16
Total assets at fair value	67,368	75,070
Liabilities:
Contingent consideration	0	0
Total liabilities at fair value	0	0
Recurring \| Level 1 \| Corporate, U.S. government agency and municipal debt securities
Marketable securities
Corporate, U.S. government agency and municipal debt securities	3,950	0
Recurring \| Level 1 \| Corporate and municipal debt securities
Long-term marketable securities
Corporate and municipal debt securities	0	0
Recurring \| Level 1 \| Cash
Cash and cash equivalents
Cash, Restricted Cash and Money market funds	14,272	35,957
Recurring \| Level 1 \| Money market funds
Cash and cash equivalents
Cash, Restricted Cash and Money market funds	49,129	39,097
Recurring \| Level 2
Other noncurrent assets
Marketable securities - restricted (SERP)	595	552
Total assets at fair value	242,642	196,989
Liabilities:
Contingent consideration	0	0
Total liabilities at fair value	0	0
Recurring \| Level 2 \| Corporate, U.S. government agency and municipal debt securities
Marketable securities
Corporate, U.S. government agency and municipal debt securities	230,385	179,820
Recurring \| Level 2 \| Corporate and municipal debt securities
Long-term marketable securities
Corporate and municipal debt securities	11,662	16,617
Recurring \| Level 2 \| Cash
Cash and cash equivalents
Cash, Restricted Cash and Money market funds	0	0
Recurring \| Level 2 \| Money market funds
Cash and cash equivalents
Cash, Restricted Cash and Money market funds	0	0
Recurring \| Level 3
Other noncurrent assets
Marketable securities - restricted (SERP)	0	0
Total assets at fair value	0	0
Liabilities:
Contingent consideration	52,355	53,450
Total liabilities at fair value	52,355	53,450
Recurring \| Level 3 \| Corporate, U.S. government agency and municipal debt securities
Marketable securities
Corporate, U.S. government agency and municipal debt securities	0	0
Recurring \| Level 3 \| Corporate and municipal debt securities
Long-term marketable securities
Corporate and municipal debt securities	0	0
Recurring \| Level 3 \| Cash
Cash and cash equivalents
Cash, Restricted Cash and Money market funds	0	0
Recurring \| Level 3 \| Money market funds
Cash and cash equivalents
Cash, Restricted Cash and Money market funds	$ 0	$ 0

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