Revenue - Schedule of Disaggregation of Revenue by Type of Service (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue from fees, net	$ 130,532	$ 143,689	$ 268,600	$ 260,830
Platform and referral fees, net
Disaggregation of Revenue [Line Items]
Revenue from fees, net	98,595	105,765	202,454	183,422
Servicing and other fees, net
Disaggregation of Revenue [Line Items]
Revenue from fees, net	$ 31,937	$ 37,924	$ 66,146	$ 77,408