Mortgage Servicing Rights - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Mortgage Servicing Rights [Line Items]
Aggregate unpaid principal balance	$ 3,191,803		$ 4,026,136
Net proceeds from sale of mortgage servicing rights	1,293,861	$ 650,707
MSR
Mortgage Servicing Rights [Line Items]
Aggregate unpaid principal balance	229,700,000		$ 299,500,000
MSRs sold	87,800,000	34,300,000
Net proceeds from sale of mortgage servicing rights	1,200,000	379,100
Net reserves and transaction costs on sales of servicing rights	28,377	18,121
Excess Servicing Cash Flows
Mortgage Servicing Rights [Line Items]
Aggregate unpaid principal balance	19,400,000	63,400,000
Net proceeds from sale of mortgage servicing rights	$ 150,900	$ 305,500