Revenue - Schedule of Contract Assets and Deferred Revenue (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Disaggregation of Revenue [Line Items]
Total contract assets	$ 12,423	$ 10,709
Deferred revenue - current	9,398	11,762
Total deferred revenue	12,613	14,402
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent
Disaggregation of Revenue [Line Items]
Contract assets - non-current	7,075	6,688
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Disaggregation of Revenue [Line Items]
Deferred revenue - non-current	3,215	2,640
Balance Sheet Location [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent
Disaggregation of Revenue [Line Items]
Contract assets - current	5,348	4,021
Balance Sheet Location [Axis]: mq:AccruedLiabilitiesAndOtherLiabilitiesCurrent
Disaggregation of Revenue [Line Items]
Deferred revenue - current	$ 9,398	$ 11,762

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