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Segment Information - Statements of Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Information |  |  |
Interest income | $ 466,087 | $ 339,465 | $ 315,940
Interest expense | 212,005 | 169,216 | 186,399
Net interest income | 254,082 | 170,249 | 129,541
Other revenue: |  |  |
Gain on sales, including fee-based services, net | 123,037 | 94,607 | 65,652
Mortgage servicing rights | 130,230 | 165,517 | 90,761
Servicing revenue | 133,429 | 103,607 | 103,223
Amortization of MSRs | (58,615) | (49,222) | (48,681)
Property operating income | 185 | 3,976 | 9,674
Loss on derivative instruments, net | (2,684) | (58,335) | (1,962)
Other income, net | 7,566 | 4,109 | 1,178
Total other revenue | 333,148 | 264,259 | 219,845
Other expenses: |  |  |
Employee compensation and benefits | 171,796 | 144,380 | 122,102
Selling and administrative | 45,575 | 37,348 | 40,329
Property operating expenses | 718 | 4,898 | 10,220
Depreciation and amortization | 7,215 | 7,640 | 7,510
Impairment loss on real estate owned |  |  | 1,000
Provision for loss sharing (net of recoveries) | (6,167) | 14,822 | 1,147
Provision for credit losses (net of recoveries) | (21,113) | 61,110 |
Total other expenses | 198,024 | 270,198 | 182,308
Income before extinguishment of debt, gain (loss) on real estate, income from equity affiliates and income taxes | 389,206 | 164,310 | 167,078
Gain (loss) on real estate | (3,374) | (3,546) | (7,439)
(Loss) Gain on sale of real estate | 3,693 | (375) |
Income from equity affiliates | 34,567 | 76,161 | 10,635
Provision for income taxes | (46,285) | (40,393) | (15,036)
Net income | 377,807 | 196,157 | 155,238
Preferred stock dividends | 21,888 | 7,554 | 7,554
Net income attributable to noncontrolling interest | 38,507 | 25,208 | 26,610
Net income attributable to common stockholders | 317,412 | 163,395 | 121,074
Operating segments | Structured Transaction Business |  |  |
Segment Information |  |  |
Interest income | 427,039 | 305,893 | 289,841
Interest expense | 194,435 | 150,964 | 169,802
Net interest income | 232,604 | 154,929 | 120,039
Other revenue: |  |  |
Property operating income | 185 | 3,976 | 9,674
Loss on derivative instruments, net |  | (2,859) | (275)
Other income, net | 7,491 | 4,052 | 1,178
Total other revenue | 7,676 | 5,169 | 10,577
Other expenses: |  |  |
Employee compensation and benefits | 51,225 | 40,292 | 31,264
Selling and administrative | 21,064 | 15,706 | 18,099
Property operating expenses | 718 | 4,898 | 10,220
Depreciation and amortization | 2,524 | 2,391 | 2,046
Impairment loss on real estate owned |  |  | 1,000
Provision for credit losses (net of recoveries) | (21,223) | 59,967 |
Total other expenses | 54,308 | 123,254 | 62,629
Income before extinguishment of debt, gain (loss) on real estate, income from equity affiliates and income taxes | 185,972 | 36,844 | 67,987
Gain (loss) on real estate | (3,374) | (3,546) | (7,439)
(Loss) Gain on sale of real estate | 2,466 | (878) |
Income from equity affiliates | 34,567 | 76,161 | 10,635
Provision for income taxes | (5,940) | (14,303) | (668)
Net income | 213,691 | 94,278 | 70,515
Preferred stock dividends | 21,888 | 7,554 | 7,554
Net income attributable to common stockholders | 191,803 | 86,724 | 62,961
Operating segments | Agency Business |  |  |
Segment Information |  |  |
Interest income | 39,048 | 33,572 | 26,099
Interest expense | 17,570 | 18,252 | 16,597
Net interest income | 21,478 | 15,320 | 9,502
Other revenue: |  |  |
Gain on sales, including fee-based services, net | 123,037 | 94,607 | 65,652
Mortgage servicing rights | 130,230 | 165,517 | 90,761
Servicing revenue | 133,429 | 103,607 | 103,223
Amortization of MSRs | (58,615) | (49,222) | (48,681)
Loss on derivative instruments, net | (2,684) | (55,476) | (1,687)
Other income, net | 75 | 57 |
Total other revenue | 325,472 | 259,090 | 209,268
Other expenses: |  |  |
Employee compensation and benefits | 120,571 | 104,088 | 90,838
Selling and administrative | 24,511 | 21,642 | 22,230
Depreciation and amortization | 4,691 | 5,249 | 5,464
Provision for loss sharing (net of recoveries) | (6,167) | 14,822 | 1,147
Provision for credit losses (net of recoveries) | 110 | 1,143 |
Total other expenses | 143,716 | 146,944 | 119,679
Income before extinguishment of debt, gain (loss) on real estate, income from equity affiliates and income taxes | 203,234 | 127,466 | 99,091
(Loss) Gain on sale of real estate | 1,227 | 503 |
Provision for income taxes | (40,345) | (26,090) | (14,368)
Net income | 164,116 | 101,879 | 84,723
Net income attributable to common stockholders | 164,116 | 101,879 | 84,723
Other / Eliminations |  |  |
Other expenses: |  |  |
Net income attributable to noncontrolling interest | 38,507 | 25,208 | 26,610
Net income attributable to common stockholders | $ (38,507) | $ (25,208) | $ (26,610)

X
- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit), extinguishment of debt, sale of real estate and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References No definition available. + Details
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- Definition The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746 + Details
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