Settlement Assets and Obligations - Schedule of Settlement Assets and Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Settlement Assets, net of estimated losses
Settlement assets	$ 1,125,934	$ 940,798
Settlement Obligations:
Settlement obligations	1,127,266	940,213
Allowance for estimated losses	8,600	7,900
Deposits, agency-owned accounts	58,400	22,600
Total customer/subscriber account obligations
Settlement Obligations:
Settlement obligations	1,113,121	924,174
MTL Customer account obligations
Settlement Obligations:
Settlement obligations	1,095,509	897,497
Subscriber account obligations
Settlement Obligations:
Settlement obligations	17,612	26,677
Due to customer payees
Settlement Obligations:
Settlement obligations	14,145	16,039
Due to customer payees \| Bank
Settlement Obligations:
Settlement obligations	70,600	64,800
MTL Customer cash and cash equivalents
Settlement Assets, net of estimated losses
Settlement assets	1,113,121	924,174
Card Settlements and Other Settlement Assets
Settlement Assets, net of estimated losses
Settlement assets	12,813	16,624
Card settlements due from merchants
Settlement Assets, net of estimated losses
Settlement assets	1,481	2,587
Card settlements due from networks
Settlement Assets, net of estimated losses
Settlement assets	11,332	12,307
Other settlement assets
Settlement Assets, net of estimated losses
Settlement assets	0	1,730
Merchant funds held at member banks
Settlement Assets, net of estimated losses
Settlement assets	$ 122,900	$ 106,200