Business Combinations - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Apr. 01, 2022	Mar. 31, 2023	Dec. 31, 2022	Apr. 02, 2022
Business Acquisition [Line Items]
Goodwill		$ 461,349	$ 461,349
Bay Equity
Business Acquisition [Line Items]
Cash and cash equivalents	$ 39,963
Restricted cash	2,367
Accounts receivable	9,697
Prepaid expenses	1,222
Other current assets	19,262
Property and equipment, net	897
Operating lease right-of-use assets	4,995
Loans held for sale	213,891
Mortgage servicing rights, at fair value	33,982
Other assets, noncurrent	294
Intangible assets	14,510
Goodwill	51,967			$ 51,967
Total assets acquired	393,047
Accounts payable	1,747
Accrued and other liabilities	38,026
Lease liabilities	2,848
Lease liabilities and deposits, noncurrent	2,147
Warehouse credit facilities	208,608
Total liabilities assumed	253,376
Total purchase consideration	$ 139,671