v3.26.1
Transactions with Related Parties - Summary of Transfer Cash to Fund Loan Servicing Advances (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Related Party Transaction [Line Items]    
Servicing advances $ 64,318 $ 96,830
Other assets-Real estate acquired in settlement of loans 1,366 1,421
PennyMac Loan Services, LLC [Member]    
Related Party Transaction [Line Items]    
Servicing advances 64,318 96,830
Other assets-Real estate acquired in settlement of loans 743 655
Servicing advances and real estate acquired $ 65,061 $ 97,485