Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	$ 2,972,546	$ 2,353,959
Other comprehensive income (loss) before reclassifications	(9,496)	(11,499)
Amounts reclassified from accumulated other comprehensive income (loss)	14	52
Total other comprehensive income (loss)	(9,482)	(11,447)
Balance at end of period	3,126,822	2,462,237
Unrealized Gains (Losses) on Available-for-Sale Debt Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(348)	21
Other comprehensive income (loss) before reclassifications	(1,087)	(59)
Amounts reclassified from accumulated other comprehensive income (loss)	10	27
Total other comprehensive income (loss)	(1,077)	(32)
Balance at end of period	(1,425)	(11)
Defined Benefit Pension
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	5,616	(4,218)
Other comprehensive income (loss) before reclassifications	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	4	25
Total other comprehensive income (loss)	4	25
Balance at end of period	5,620	(4,193)
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	14,710	31,467
Other comprehensive income (loss) before reclassifications	(8,409)	(11,440)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Total other comprehensive income (loss)	(8,409)	(11,440)
Balance at end of period	6,301	20,027
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	19,978	27,270
Total other comprehensive income (loss)	(9,482)	(11,447)
Balance at end of period	$ 10,496	$ 15,823