Summary of Significant Accounting Policies - Summary of Payment Service Obligations (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Outstanding Transaction Liabilities	$ 1,212,994	$ 1,568,280
Other unregulated settlements	7,465	10,376
Total payment service obligations	$ 1,220,459	$ 1,578,656