Short-term Investments - Schedule of Unrealized Gain (Loss) on Short-Term Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 88,643	$ 178,948
Unrealized Gain	222	461
Unrealized (Loss)	0	0
Estimated Fair Value	88,865	179,409
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	79,813	168,504
Unrealized Gain	180	396
Unrealized (Loss)	0	0
Estimated Fair Value	79,993	168,900
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	8,830	10,444
Unrealized Gain	42	65
Unrealized (Loss)	0	0
Estimated Fair Value	$ 8,872	$ 10,509

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Marqeta, Inc. 10-Q