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Segment Reporting - Revenue and Other Segment Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net premiums earned | $ 981,131 | $ 1,037,183 | $ 1,115,321
Services revenue | 92,216 | 125,825 | 105,385
Net investment income | 195,658 | 147,909 | 154,037
Net gains (losses) on investments and other financial instruments | (80,733) | 15,603 | 60,277
Other income | 2,454 | 3,412 | 3,597
Total revenues | 1,190,726 | 1,329,932 | 1,438,617
Interest expense | 84,454 | 84,344 | 71,150
Allocation of corporate operating expenses | 163,000 | 147,386 | 129,870
Other technology services |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Services revenue | 3,730 | 3,869 | 3,763
Inter-segment |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net premiums earned | 0 | 0 | 0
Services revenue | (332) | (281) | (1,439)
Net investment income | 0 | 0 | 0
Net gains (losses) on investments and other financial instruments | 0 | 0 | 0
Other income | (170) | 0 | 0
Total revenues | (502) | (281) | (1,439)
Adjustments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net premiums earned | 0 | 0 | 0
Services revenue | 0 | 0 | 0
Net investment income | 0 | 0 | 0
Net gains (losses) on investments and other financial instruments | (80,780) | 14,094 | 60,277
Other income | 0 | 0 | 247
Total revenues | (80,780) | 14,094 | 60,524
Mortgage |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net premiums earned | 957,213 | 998,282 | 1,092,767
Services revenue | 7,390 | 17,670 | 14,765
Net investment income | 171,221 | 132,929 | 137,195
Net gains (losses) on investments and other financial instruments | 0 | 0 | 0
Other income | 2,376 | 2,678 | 2,816
Total revenues | 1,138,200 | 1,151,559 | 1,247,543
Interest expense | 84,440 | 84,344 | 71,150
Direct depreciation expense | 8,986 | 9,580 | 12,387
Allocation of corporate operating expenses | 138,566 | 127,482 | 114,802
Mortgage | Depreciation Expense |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Allocation of corporate operating expenses | 3,000 | 3,200 | 2,600
homegenius |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net premiums earned | 23,918 | 38,901 | 22,554
Services revenue | 85,158 | 108,282 | 79,524
Net investment income | 729 | 358 | 361
Net gains (losses) on investments and other financial instruments | 0 | 1,509 | 0
Other income | 170 | 0 | 0
Total revenues | 109,975 | 149,050 | 102,439
Interest expense | 0 | 0 | 0
Direct depreciation expense | 2,538 | 2,452 | 2,857
Allocation of corporate operating expenses | 22,856 | 18,482 | 12,807
homegenius | Depreciation Expense |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Allocation of corporate operating expenses | 500 | 500 | 300
Reportable Segment Total | Operating Segments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net premiums earned | 981,131 | 1,037,183 | 1,115,321
Services revenue | 92,548 | 125,952 | 94,289
Net investment income | 171,950 | 133,287 | 137,556
Net gains (losses) on investments and other financial instruments | 0 | 1,509 | 0
Other income | 2,546 | 2,678 | 2,816
Total revenues | 1,248,175 | 1,300,609 | 1,349,982
Interest expense | 84,440 | 84,344 | 71,150
Direct depreciation expense | 11,524 | 12,032 | 15,244
Allocation of corporate operating expenses | 161,422 | 145,964 | 127,609
Reportable Segment Total | Operating Segments | Depreciation Expense |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Allocation of corporate operating expenses | 3,600 | 3,700 | 2,900
All Other |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net premiums earned | 0 | 0 | 0
Services revenue | 0 | 154 | 12,535
Net investment income | 23,708 | 14,622 | 16,481
Net gains (losses) on investments and other financial instruments | 47 | 0 | 0
Other income | 78 | 734 | 534
Total revenues | $ 23,833 | $ 15,510 | $ 29,550

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- Definition This concept represents the gains and losses on investments and other financial instruments for the period excluding the impact of changes in the present value of insurance claims and recoveries on insured credit derivatives and VIEs, based on the company's ongoing insurance loss monitoring, which are a component of segment expenses. Also includes other than temporarily impaired losses recognized in earnings. + References No definition available. + Details
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