Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of period	$ 28,302	$ 25,993	$ 11,832
Additions based on tax positions related to the current year	1,727	3,119	3,224
Additions for tax positions of prior years	526	474	593
Reductions for tax positions of prior years	(936)	(186)	(174)
Settlement of tax audits	(2,665)	0	(7)
Current year acquisitions	6,740	0	11,006
Reductions due to lapsed statute of limitations	(7,046)	(1,098)	(481)
Balance at end of period	$ 26,648	$ 28,302	$ 25,993