v3.25.2
Net Gains on Loans Acquired for Sale - Summary of Net Gains on Mortgage Loans Acquired for Sale (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Non-cash gains:        
Receipt of MSRs in mortgage loan sale transactions     $ (91,039) $ (71,868)
Provision for losses relating to representations and warranties provided in loan sales:        
Pursuant to loans sales $ (227) $ (204) (531) (458)
Changes in fair value of loans and derivatives        
Net cash of gain on mortgage loans acquired for sale 13,659 (2,742) 42,340 (4,020)
Net gains on loans acquired for sale 17,806 12,160 30,150 26,678
PennyMac Financial Services, Inc. [Member]        
Changes in fair value of loans and derivatives        
Net gains on loans acquired for sale 2,658 2,050 4,673 3,655
Nonaffiliates [Member]        
Cash losses:        
Sales of loans (11,618) (40,228) (13,533) (71,405)
Hedging activities (21,055) 26,027 (79,117) (43,929)
Cash gain, net of effects of cash hedging, on sale of mortgage loans acquired for sale (32,673) (14,201) (92,650) (115,334)
Non-cash gains:        
Receipt of MSRs in mortgage loan sale transactions 44,030 40,619 91,039 71,868
Provision for losses relating to representations and warranties provided in loan sales:        
Pursuant to loans sales (227) (204) (531) (458)
Reduction of liability due to change in estimate 912 6,540 2,080 13,418
Provision for losses relating to representations and warranties 685 6,336 1,549 12,960
Changes in fair value of loans and derivatives        
Interest rate lock commitments 2,904 (3,292) 7,078 (5,980)
Loans (8,515) (488) (21,959) 5,807
Hedging derivatives 8,717 (18,864) 40,420 53,702
Total non cash portion of gain on mortgage loans acquired for sale 3,106 (22,644) 25,539 53,529
Net cash of gain on mortgage loans acquired for sale 47,821 24,311 118,127 138,357
Net gains on loans acquired for sale $ 15,148 $ 10,110 $ 25,477 $ 23,023