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
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans held for sale at fair value $ 3,195,343 $ 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 3,171,272 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] 2,297,827 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 658,169 433,027
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 237,036 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 780 942
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 $ 1,531 $ 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
.