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Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |
Interest income | $ 225,417 | $ 178,981 | $ 430,157 | $ 357,497
Interest expense | (200,124) | (152,885) | (380,654) | (304,964)
Net interest income (expense) | 25,293 | 26,096 | 49,503 | 52,533
Non-interest income (loss) |  |  |  |
Mortgage banking activities, net | 18,924 | 16,552 | 33,480 | 33,223
Investment fair value changes, net | 1,098 | (13,517) | 22,935 | (17,909)
HEI income, net | 15,839 | 8,921 | 24,870 | 13,186
Other income, net | 6,293 | 4,158 | 10,799 | 8,714
Realized gains, net | 0 | 1,056 | 409 | 1,054
Total non-interest income, net | 42,154 | 17,170 | 92,493 | 38,268
General and administrative expenses | (33,284) | (30,805) | (67,853) | (66,360)
Portfolio management costs | (4,864) | (3,100) | (8,461) | (6,610)
Loan acquisition costs | (3,664) | (1,444) | (5,901) | (2,733)
Other expenses | (5,177) | (4,975) | (8,538) | (8,659)
(Provision for) benefit from income taxes | (4,924) | (69) | (5,447) | 1,054
Net Income | 15,534 | 2,873 | 45,796 | 7,493
Non-cash amortization (expense), net | (5,823) | (7,568) | (14,137) | (16,465)
Operating Segments | Residential Consumer Mortgage Banking |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest income | 21,097 | 2,434 | 35,409 | 7,944
Interest expense | (9,922) | (1,700) | (18,188) | (8,566)
Net interest income (expense) | 11,175 | 734 | 17,221 | (622)
Non-interest income (loss) |  |  |  |
Mortgage banking activities, net | 6,245 | 7,061 | 14,072 | 10,426
Investment fair value changes, net | 0 | 0 | 0 | 1,076
HEI income, net | 0 | 0 | 0 | 0
Other income, net | 0 | 0 | 0 | 0
Realized gains, net | 0 | 0 | 0 | 0
Total non-interest income, net | 6,245 | 7,061 | 14,072 | 11,502
General and administrative expenses | (4,957) | (3,738) | (9,746) | (8,544)
Portfolio management costs | 0 | 0 | 0 | 0
Loan acquisition costs | (980) | (149) | (1,551) | (324)
Other expenses | 0 | 0 | 0 | 0
(Provision for) benefit from income taxes | (1,560) | (707) | (3,054) | (74)
Net Income | 9,923 | 3,201 | 16,942 | 1,938
Non-cash amortization (expense), net | (313) | (292) | (597) | (547)
Operating Segments | Residential Investor Mortgage Banking |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest income | 7,008 | 4,397 | 10,779 | 8,891
Interest expense | (5,504) | (3,673) | (8,381) | (7,711)
Net interest income (expense) | 1,504 | 724 | 2,398 | 1,180
Non-interest income (loss) |  |  |  |
Mortgage banking activities, net | 12,679 | 9,491 | 19,408 | 22,797
Investment fair value changes, net | 0 | 0 | 0 | 0
HEI income, net | 0 | 0 | 0 | 0
Other income, net | 1,174 | 1,076 | 1,800 | 3,484
Realized gains, net | 0 | 0 | 0 | 0
Total non-interest income, net | 13,853 | 10,567 | 21,208 | 26,281
General and administrative expenses | (9,677) | (11,638) | (21,102) | (25,316)
Portfolio management costs | 0 | 0 | 0 | 0
Loan acquisition costs | (2,433) | (1,295) | (4,097) | (2,409)
Other expenses | (2,203) | (3,107) | (5,008) | (6,215)
(Provision for) benefit from income taxes | (449) | 1,406 | 1,687 | 2,109
Net Income | 595 | (3,343) | (4,914) | (4,370)
Non-cash amortization (expense), net | (2,426) | (3,333) | (5,499) | (7,035)
Operating Segments | Investment Portfolio |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest income | 196,742 | 169,343 | 381,640 | 335,546
Interest expense | (166,812) | (132,514) | (322,110) | (258,470)
Net interest income (expense) | 29,930 | 36,829 | 59,530 | 77,076
Non-interest income (loss) |  |  |  |
Mortgage banking activities, net | 0 | 0 | 0 | 0
Investment fair value changes, net | 2,548 | (10,768) | 23,735 | (16,141)
HEI income, net | 15,839 | 8,921 | 24,870 | 13,186
Other income, net | 5,120 | 4,013 | 9,945 | 6,181
Realized gains, net | 0 | 949 | 314 | 832
Total non-interest income, net | 23,507 | 3,115 | 58,864 | 4,058
General and administrative expenses | (641) | (1,241) | (2,816) | (2,650)
Portfolio management costs | (4,834) | (3,087) | (8,422) | (6,597)
Loan acquisition costs | (244) | 0 | (244) | 0
Other expenses | (2,974) | (1,868) | (3,530) | (2,444)
(Provision for) benefit from income taxes | (2,914) | (1,465) | (4,060) | (1,678)
Net Income | 41,830 | 32,283 | 99,322 | 67,765
Non-cash amortization (expense), net | (203) | (1,857) | (3,220) | (4,690)
Corporate/ Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest income | 570 | 2,807 | 2,329 | 5,116
Interest expense | (17,886) | (14,998) | (31,975) | (30,217)
Net interest income (expense) | (17,316) | (12,191) | (29,646) | (25,101)
Non-interest income (loss) |  |  |  |
Mortgage banking activities, net | 0 | 0 | 0 | 0
Investment fair value changes, net | (1,450) | (2,749) | (800) | (2,844)
HEI income, net | 0 | 0 | 0 | 0
Other income, net | (1) | (931) | (946) | (951)
Realized gains, net | 0 | 107 | 95 | 222
Total non-interest income, net | (1,451) | (3,573) | (1,651) | (3,573)
General and administrative expenses | (18,009) | (14,188) | (34,189) | (29,850)
Portfolio management costs | (30) | (13) | (39) | (13)
Loan acquisition costs | (7) | 0 | (9) | 0
Other expenses | 0 | 0 | 0 | 0
(Provision for) benefit from income taxes | (1) | 697 | (20) | 697
Net Income | (36,814) | (29,268) | (65,554) | (57,840)
Non-cash amortization (expense), net | $ (2,881) | $ (2,086) | $ (4,821) | $ (4,193)

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