Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Stock-based compensation	$ 486,876	$ 443,456
Tax credits and net operating loss carryforwards	544,431	409,411
Capitalized research expenses	593,439	323,998
Accruals and reserves	137,251	119,732
Operating lease liabilities	516,574	551,418
Unrealized losses	62,213	0
Other	11,615	2,234
Total deferred tax assets	2,352,399	1,850,249
Valuation allowance	(442,293)	(343,342)
Net deferred tax assets	1,910,106	1,506,907
Deferred tax liabilities:
Depreciation & amortization	(357,477)	(456,717)
Operating right-of-use lease assets	(435,216)	(473,928)
Unrealized gains	0	(47,283)
Acquired intangibles	(233,433)	(267,438)
Other	(9,430)	0
Total deferred tax liabilities	(1,035,556)	(1,245,366)
Net deferred tax assets	$ 874,550	$ 261,541