Fair Value Measurements - Rollforward of the Contingent Consideration Liabilities Valued Using Level 3 Inputs (Details) - Level 3 - Contingent consideration - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Assets
Balance at beginning of period	$ 0	$ 0	$ 0	$ 0
Purchases (sales), net	24,339	0	24,339	0
Balance at end of period	24,339	0	24,339	0
Liabilities
Balance at beginning of period	54,910	72,980	78,100	88,400
Additions for acquisition	0	0	0	1,200
Reduction for payments made	0	0	(16,390)	(19,520)
Increase (reduction) of liability related to re-measurement of fair value	0	0	(6,800)	2,900
Balance at end of period	$ 54,910	$ 72,980	$ 54,910	$ 72,980