Business Combinations - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended	12 Months Ended
	Jul. 31, 2025	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2025	Sep. 30, 2025
Business Combination, Separately Recognized Transaction [Line Items]
Holdback consideration		$ 3,664	$ 0	$ 3,664	$ 3,664
TransactPay Business
Business Combination, Separately Recognized Transaction [Line Items]
Holdback consideration	$ 1,300
Business combination, acquisition-related cost		$ 800	$ 1,000	$ 1,900	$ 2,900
Holdback consideration	3,452
TransactPay Business \| Digital Products Earn-out
Business Combination, Separately Recognized Transaction [Line Items]
Holdback consideration	3,400
TransactPay Business \| Indemnification Purposes
Business Combination, Separately Recognized Transaction [Line Items]
Holdback consideration	2,300
TransactPay Business \| Indemnification Purposes \| Regulatory Improvement Earn-out
Business Combination, Separately Recognized Transaction [Line Items]
Holdback consideration	2,300
TransactPay Business \| Post-Closing Adjustments
Business Combination, Separately Recognized Transaction [Line Items]
Holdback consideration	$ 1,200

- Definition

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.

+ References + Details

Marqeta, Inc. 10-Q