v3.26.1
Loans Held for Sale at Fair Value - Summary of Distribution of Company's Loans Held for Sale at Fair Value (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale at fair value $ 2,349,895 $ 2,699,398
Loans Held for Sale at Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans pledged to secure Assets sold under agreements to repurchase 2,328,824 2,676,700
Held for Sale to Nonaffiliates-GSE Eligible [Member] | Held For Sale To Nonaffiliates [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale at fair value [1] 1,804,198 2,232,706
Jumbo [Member] | Held For Sale To Nonaffiliates [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale at fair value 461,054 433,027
Non-qualified [Member] | Held For Sale To Nonaffiliates [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale at fair value 82,559 30,084
Home Equity Lines of Credit [Member] | Held For Sale To Nonaffiliates [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale at fair value 778 942
Repurchased Pursuant to Representations and Warranties [Member] | Held For Sale To Nonaffiliates [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale at fair value $ 1,306 $ 2,639
[1] GSE eligibility refers to the eligibility of loans for sale to Fannie Mae or Freddie Mac. The Company sells or finances a portion of
its GSE eligible loan production to other investors
.