v3.26.1
Segments (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segments and Related Information          
Number of operating segments | segment     2    
Number of reportable segments | segment     2    
Revenues:          
Net gains on loans held for sale at fair value $ 280,319 $ 234,659 $ 625,304 $ 455,696  
Loan origination fees 69,518 59,091 141,964 105,702  
Fulfillment fees from PennyMac Mortgage Investment Trust 5,023 5,814 10,760 11,104  
Net loan servicing fees 145,821 150,395 298,651 314,681  
Management fees 6,810 6,869 13,572 13,881  
Net interest (expense) income :          
Interest income 242,452 221,929 450,631 411,800  
Interest expense 270,710 239,577 520,432 447,659  
Net interest income (expense) (28,258) (17,648) (69,801) (35,859)  
Other 17,732 5,550 21,499 10,428  
Total net revenues 496,965 444,730 1,041,949 875,633  
Expenses:          
Compensation 222,820 187,541 439,213 369,529  
Loan origination 93,855 68,836 173,551 112,932  
Technology 44,442 42,257 90,574 82,454  
Servicing 42,505 28,286 80,738 50,161  
Professional services 15,891 8,380 30,290 17,417  
Occupancy and equipment 10,698 8,379 20,689 16,761  
Marketing and advertising 16,881 12,389 37,975 21,821  
Other 18,348 12,220 32,703 23,920  
Total expenses 465,440 368,288 905,733 694,995  
Income before provision for income taxes 31,525 76,442 136,216 180,638  
Segment assets at end of period 29,859,451 24,221,904 29,859,451 24,221,904 $ 29,388,689
Acquisition of:          
Capitalized software 12,783 9,146 28,708 16,283  
Furniture, fixtures, equipment and building improvements 3,375 1,305 5,625 1,676  
Amortization of capitalized software 12,606 12,813 24,307 24,794  
Impairment of capitalized software 1,218   1,535    
Depreciation and amortization of furniture, fixtures, equipment and building improvements     27,932 28,627  
Furniture, Fixtures, Equipment and Building Improvements          
Acquisition of:          
Depreciation and amortization of furniture, fixtures, equipment and building improvements 1,816 1,918 3,625 3,833  
Operating segment          
Revenues:          
Net gains on loans held for sale at fair value 280,319 234,659 625,304 455,696  
Loan origination fees 69,518 59,091 141,964 105,702  
Fulfillment fees from PennyMac Mortgage Investment Trust 5,023 5,814 10,760 11,104  
Net loan servicing fees 145,821 150,395 298,651 314,681  
Net interest (expense) income :          
Interest income 242,221 221,328 450,142 410,750  
Interest expense 270,710 239,577 520,432 447,659  
Net interest income (expense) (28,489) (18,249) (70,290) (36,909)  
Other 1,473 1,270 (718) 1,228  
Total net revenues 473,665 432,980 1,005,671 851,502  
Expenses:          
Compensation 197,574 155,740 386,375 307,579  
Loan origination 93,855 68,836 173,551 112,932  
Technology 38,569 37,346 79,740 72,831  
Servicing 42,505 28,286 80,738 50,161  
Professional services 7,382 5,343 15,111 10,158  
Occupancy and equipment 8,727 6,840 16,561 13,697  
Marketing and advertising 12,208 10,660 24,673 19,056  
Other 12,680 7,989 22,531 15,204  
Total expenses 413,500 321,040 799,280 601,618  
Income before provision for income taxes 60,165 111,940 206,391 249,884  
Segment assets at end of period 29,752,889 24,155,522 29,752,889 24,155,522  
Acquisition of:          
Capitalized software 3,579 9,146 10,600 16,283  
Furniture, fixtures, equipment and building improvements 1,911 957 3,875 1,173  
Amortization of capitalized software 12,059 12,710 23,354 24,597  
Impairment of capitalized software 1,218   1,535    
Operating segment | Furniture, Fixtures, Equipment and Building Improvements          
Acquisition of:          
Depreciation and amortization of furniture, fixtures, equipment and building improvements 1,534 1,628 2,961 3,241  
Operating segment | Mortgage banking Production          
Revenues:          
Net gains on loans held for sale at fair value 245,030 203,961 556,231 391,106  
Loan origination fees 69,518 59,091 141,964 105,702  
Fulfillment fees from PennyMac Mortgage Investment Trust 5,023 5,814 10,760 11,104  
Net interest (expense) income :          
Interest income 119,095 104,205 232,094 189,493  
Interest expense 104,821 93,622 200,409 170,148  
Net interest income (expense) 14,274 10,583 31,685 19,345  
Other 3,239 132 3,364 263  
Total net revenues 337,084 279,581 744,004 527,520  
Expenses:          
Compensation 145,940 104,456 282,204 203,325  
Loan origination 93,855 68,836 173,551 112,932  
Technology 30,089 27,841 60,143 52,941  
Professional services 5,023 3,545 10,672 6,679  
Occupancy and equipment 6,160 4,109 11,492 8,237  
Marketing and advertising 12,075 10,276 24,026 18,299  
Other 5,503 2,730 9,902 5,376  
Total expenses 298,645 221,793 571,990 407,789  
Income before provision for income taxes 38,439 57,788 172,014 119,731  
Segment assets at end of period 8,035,988 7,161,516 8,035,988 7,161,516  
Acquisition of:          
Capitalized software 1,476 6,970 8,213 12,379  
Furniture, fixtures, equipment and building improvements 1,628 617 3,086 804  
Amortization of capitalized software 10,724 11,175 20,489 21,396  
Impairment of capitalized software 1,218   1,535    
Operating segment | Mortgage banking Production | Furniture, Fixtures, Equipment and Building Improvements          
Acquisition of:          
Depreciation and amortization of furniture, fixtures, equipment and building improvements 1,129 976 2,122 1,944  
Operating segment | Mortgage banking Servicing          
Revenues:          
Net gains on loans held for sale at fair value 35,289 30,698 69,073 64,590  
Net loan servicing fees 145,821 150,395 298,651 314,681  
Net interest (expense) income :          
Interest income 123,126 117,123 218,048 221,257  
Interest expense 165,889 145,955 320,023 277,511  
Net interest income (expense) (42,763) (28,832) (101,975) (56,254)  
Other (1,766) 1,138 (4,082) 965  
Total net revenues 136,581 153,399 261,667 323,982  
Expenses:          
Compensation 51,634 51,284 104,171 104,254  
Technology 8,480 9,505 19,597 19,890  
Servicing 42,505 28,286 80,738 50,161  
Professional services 2,359 1,798 4,439 3,479  
Occupancy and equipment 2,567 2,731 5,069 5,460  
Marketing and advertising 133 384 647 757  
Other 7,177 5,259 12,629 9,828  
Total expenses 114,855 99,247 227,290 193,829  
Income before provision for income taxes 21,726 54,152 34,377 130,153  
Segment assets at end of period 21,716,901 16,994,006 21,716,901 16,994,006  
Acquisition of:          
Capitalized software 2,103 2,176 2,387 3,904  
Furniture, fixtures, equipment and building improvements 283 340 789 369  
Amortization of capitalized software 1,335 1,535 2,865 3,201  
Operating segment | Mortgage banking Servicing | Furniture, Fixtures, Equipment and Building Improvements          
Acquisition of:          
Depreciation and amortization of furniture, fixtures, equipment and building improvements 405 652 839 1,297  
Corporate and other          
Revenues:          
Management fees 6,810 6,869 13,572 13,881  
Net interest (expense) income :          
Interest income 231 601 489 1,050  
Net interest income (expense) 231 601 489 1,050  
Other 16,259 4,280 22,217 9,200  
Total net revenues 23,300 11,750 36,278 24,131  
Expenses:          
Compensation 25,246 31,801 52,838 61,950  
Technology 5,873 4,911 10,834 9,623  
Professional services 8,509 3,037 15,179 7,259  
Occupancy and equipment 1,971 1,539 4,128 3,064  
Marketing and advertising 4,673 1,729 13,302 2,765  
Other 5,668 4,231 10,172 8,716  
Total expenses 51,940 47,248 106,453 93,377  
Income before provision for income taxes (28,640) (35,498) (70,175) (69,246)  
Segment assets at end of period 106,562 66,382 106,562 66,382  
Acquisition of:          
Capitalized software 9,204   18,108    
Furniture, fixtures, equipment and building improvements 1,464 348 1,750 503  
Amortization of capitalized software 547 103 953 197  
Corporate and other | Furniture, Fixtures, Equipment and Building Improvements          
Acquisition of:          
Depreciation and amortization of furniture, fixtures, equipment and building improvements $ 282 $ 290 $ 664 $ 592