Income Taxes - Narrative and Unrecognised Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Taxes
Tax benefit if unrecognized tax benefits were realized	$ 50,100
Reconciliation of the beginning and ending amount of unrecognized tax benefits
Balance at beginning of period	31,597	$ 24,251
Additions related to prior periods tax positions	28,488	3,953
Reductions related to prior periods tax positions	(311)	(216)
Additions related to current period tax positions	3,042	4,119
Settlements	(95)	(201)
Reductions due to lapse of applicable statute of limitations	(288)	(397)
Currency translation adjustment		88
Currency translation adjustment	(74)
Balance at end of period	62,359	$ 31,597
Interest and penalties as a component of income tax expense	$ 600