Segment Reporting - Schedule of Direct-to-Consumer Channel Volume (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest Rate Lock Commitment
Revenue, Major Customer [Line Items]
Direct-to-consumer	$ 0	$ 0	$ 0	$ 663,848
Retail	373,068	408,879	1,151,061	1,755,008
Mortgage loan sales	373,068	408,879	1,151,061	2,418,856
Mortgage
Revenue, Major Customer [Line Items]
Mortgage loan sales	$ 325,321	$ 569,655	$ 987,954	$ 2,723,825