Investments - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 651,175	$ 852,251
Gross unrealized gains	76	95
Gross unrealized losses	(1,683)	(3,769)
Estimated fair value	649,568	848,577
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	12,866	95,195
Gross unrealized gains	0	0
Gross unrealized losses	(47)	(662)
Estimated fair value	$ 12,819	$ 94,533
Corporate debt securities | Maximum
Debt Securities, Available-for-sale [Line Items]
Maturity	2 years	2 years
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 400,771	$ 443,489
Gross unrealized gains	13	65
Gross unrealized losses	(631)	(811)
Estimated fair value	$ 400,153	$ 442,743
Commercial paper | Maximum
Debt Securities, Available-for-sale [Line Items]
Maturity	1 year	1 year
U.S. Agency bonds
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 176,624	$ 90,351
Gross unrealized gains	63	22
Gross unrealized losses	(787)	(434)
Estimated fair value	$ 175,900	$ 89,939
U.S. Agency bonds | Maximum
Debt Securities, Available-for-sale [Line Items]
Maturity	2 years	2 years
U.S. Treasury bills
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 60,914	$ 223,216
Gross unrealized gains	0	8
Gross unrealized losses	(218)	(1,862)
Estimated fair value	$ 60,696	$ 221,362
U.S. Treasury bills | Maximum
Debt Securities, Available-for-sale [Line Items]
Maturity	2 years	2 years