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Segment Reporting - Adjusted Pretax Operating Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net gains (losses) on investments and other financial instruments | $ (16,252) | $ 2,098 | $ (87,578) | $ 12,578
Amortization of other acquired intangible assets | (1,023) | (862) | (2,721) | (2,587)
Pretax income | 255,461 | 161,641 | 749,481 | 518,326
Corporate, Non-Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Adjusted pretax operating income (loss) | 2,581 | 986 | 6,397 | 2,920
Segment Reconciling Items |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net gains (losses) on investments and other financial instruments | (16,252) | 2,098 | (87,578) | 12,578
Amortization of other acquired intangible assets | (1,023) | (862) | (2,721) | (2,587)
Impairment of other long-lived assets and other non-operating items | 16 | (244) | 79 | (4,349)
Mortgage |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Adjusted pretax operating income (loss) | 295,675 | 165,220 | 890,036 | 534,972
Allocated corporate operating expenses | 32,457 | 33,963 | 101,903 | 94,177
Direct depreciation expense | 2,234 | 2,240 | 6,803 | 7,342
Mortgage | Depreciation Expense |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Allocated corporate operating expenses | 700 | 800 | 2,300 | 2,500
homegenius |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Adjusted pretax operating income (loss) | (25,536) | (5,557) | (56,732) | (25,208)
Allocated corporate operating expenses | 5,555 | 4,918 | 16,554 | 13,635
Direct depreciation expense | 646 | 639 | 1,932 | 1,828
homegenius | Depreciation Expense |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Allocated corporate operating expenses | 200 | 100 | 400 | 400
Mortgage and homegenius segments |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Adjusted pretax operating income (loss) | $ 270,139 | $ 159,663 | $ 833,304 | $ 509,764

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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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