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Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Segment Reporting Information [Line Items] |  |
Interest income | $ 204,740 | $ 178,516
Interest expense | (180,530) | (152,079)
Net interest income (expense) | 24,210 | 26,437
Non-interest income (loss) |  |
Mortgage banking activities, net | 14,556 | 16,671
Investment fair value changes, net | 21,837 | (4,392)
HEI income, net | 9,031 | 4,265
Other income, net | 4,506 | 4,556
Realized gains, net | 409 | (2)
Total non-interest income, net | 50,339 | 21,098
General and administrative expenses | (34,569) | (35,555)
Portfolio management costs | (3,597) | (3,510)
Loan acquisition costs | (2,237) | (1,289)
Other expenses | (3,361) | (3,684)
(Provision for) Benefit from income taxes | (523) | 1,123
Net Income | 30,262 | 4,620
Non-cash amortization (expense), net | (8,314) | (8,895)
Operating Segments | Residential Consumer Mortgage Banking |  |
Segment Reporting Information [Line Items] |  |
Interest income | 14,313 | 5,510
Interest expense | (8,266) | (6,866)
Net interest income (expense) | 6,047 | (1,356)
Non-interest income (loss) |  |
Mortgage banking activities, net | 7,827 | 3,365
Investment fair value changes, net | 0 | 1,076
HEI income, net | 0 | 0
Other income, net | 0 | 0
Realized gains, net | 0 | 0
Total non-interest income, net | 7,827 | 4,441
General and administrative expenses | (4,789) | (4,806)
Portfolio management costs | 0 | 0
Loan acquisition costs | (572) | (175)
Other expenses | 0 | 0
(Provision for) Benefit from income taxes | (1,494) | 633
Net Income | 7,019 | (1,263)
Non-cash amortization (expense), net | (284) | (255)
Operating Segments | Residential Investor Mortgage Banking |  |
Segment Reporting Information [Line Items] |  |
Interest income | 3,771 | 4,494
Interest expense | (2,877) | (4,038)
Net interest income (expense) | 894 | 456
Non-interest income (loss) |  |
Mortgage banking activities, net | 6,729 | 13,306
Investment fair value changes, net | 0 | 0
HEI income, net | 0 | 0
Other income, net | 626 | 2,408
Realized gains, net | 0 | 0
Total non-interest income, net | 7,355 | 15,714
General and administrative expenses | (11,425) | (13,678)
Portfolio management costs | 0 | 0
Loan acquisition costs | (1,663) | (1,114)
Other expenses | (2,806) | (3,108)
(Provision for) Benefit from income taxes | 2,136 | 703
Net Income | (5,509) | (1,027)
Non-cash amortization (expense), net | (3,073) | (3,701)
Operating Segments | Investment Portfolio |  |
Segment Reporting Information [Line Items] |  |
Interest income | 182,600 | 163,660
Interest expense | (153,105) | (123,452)
Net interest income (expense) | 29,495 | 40,208
Non-interest income (loss) |  |
Mortgage banking activities, net | 0 | 0
Investment fair value changes, net | 21,405 | (5,279)
HEI income, net | 9,031 | 4,265
Other income, net | 4,825 | 2,168
Realized gains, net | 314 | (117)
Total non-interest income, net | 35,575 | 1,037
General and administrative expenses | (2,175) | (1,409)
Portfolio management costs | (3,588) | (3,510)
Loan acquisition costs | 0 | 0
Other expenses | (555) | (576)
(Provision for) Benefit from income taxes | (1,146) | (213)
Net Income | 57,606 | 35,537
Non-cash amortization (expense), net | (3,017) | (2,833)
Corporate/ Other |  |
Segment Reporting Information [Line Items] |  |
Interest income | 4,056 | 4,852
Interest expense | (16,282) | (17,723)
Net interest income (expense) | (12,226) | (12,871)
Non-interest income (loss) |  |
Mortgage banking activities, net | 0 | 0
Investment fair value changes, net | 432 | (189)
HEI income, net | 0 | 0
Other income, net | (945) | (20)
Realized gains, net | 95 | 115
Total non-interest income, net | (418) | (94)
General and administrative expenses | (16,180) | (15,662)
Portfolio management costs | (9) | 0
Loan acquisition costs | (2) | 0
Other expenses | 0 | 0
(Provision for) Benefit from income taxes | (19) | 0
Net Income | (28,854) | (28,627)
Non-cash amortization (expense), net | $ (1,940) | $ (2,106)

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