Investment Securities - Summary of Available-for-Sale Investments in an Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Estimated Fair Market Value, Less than 12 Months	$ 12,986	$ 65,344
Unrealized Losses, Less than 12 Months	(4)	(132)
Estimated Fair Market Value, 12 Months or Greater	8,227	60,908
Unrealized Losses, 12 Months or Greater	(5)	(304)
Estimated Fair Market Value	21,213	126,252
Unrealized Losses	(9)	(436)
Certificates of deposit
Debt Securities, Available-for-Sale [Line Items]
Estimated Fair Market Value, Less than 12 Months	490	8,514
Unrealized Losses, Less than 12 Months		(14)
Estimated Fair Market Value, 12 Months or Greater	734	1,456
Unrealized Losses, 12 Months or Greater	(1)	(14)
Estimated Fair Market Value	1,224	9,970
Unrealized Losses	(1)	(28)
U.S. Treasury securities
Debt Securities, Available-for-Sale [Line Items]
Estimated Fair Market Value, Less than 12 Months		44,346
Unrealized Losses, Less than 12 Months		(102)
Estimated Fair Market Value, 12 Months or Greater	7,493	51,979
Unrealized Losses, 12 Months or Greater	(4)	(263)
Estimated Fair Market Value	7,493	96,325
Unrealized Losses	(4)	(365)
U.S. Government agency securities
Debt Securities, Available-for-Sale [Line Items]
Estimated Fair Market Value, Less than 12 Months	12,496	12,484
Unrealized Losses, Less than 12 Months	(4)	(16)
Estimated Fair Market Value, 12 Months or Greater		7,473
Unrealized Losses, 12 Months or Greater		(27)
Estimated Fair Market Value	12,496	19,957
Unrealized Losses	$ (4)	$ (43)