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Note 4 - Segment Reporting (Policies) | 9 Months Ended
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Sep. 30, 2020
Segment Reporting [Abstract] |
Segment Reporting, Policy | We have two strategic business units that we manage separately—Mortgage and Real Estate. Our Mortgage segment derives its revenue from mortgage insurance and other mortgage and risk services, including contract underwriting services provided to lenders. Our Real Estate segment offers a broad array of title, valuation, asset management and other real estate services to market participants across the real estate value chain. In addition, we report as All Other activities that include income (losses) from assets held by our holding company, related general corporate operating expenses not attributable or allocated to our reportable segments and, for all periods through the first quarter of 2020, income and expenses related to Clayton prior to its sale in January 2020. Subsequent to the sale of Clayton, our Chief Executive Officer (Radian’s chief operating decision maker) implemented certain organizational changes that caused the composition of our reportable segments to change. As revised, the Company’s Mortgage and Real Estate segments are managed by our President of Mortgage and Co-Heads of Real Estate, respectively, who are responsible for the overall profitability of their respective segments and who are directly accountable to our chief operating decision maker. The differences in the basis of segmentation compared to our 2019 Form 10-K are as follows:
Business Activity | Current Segmentation | Prior Segmentation
Mortgage insurance and risk services | Mortgage | Mortgage Insurance
Contract underwriting services | Mortgage | Services
Title and real estate services (1) | Real Estate | Services
Clayton | All Other | Services
Income (loss) from holding company assets (and related corporate expenses) | All Other | Mortgage Insurance
______________________ (1)Includes single family rental services. These segment reporting changes align with the changes in personnel reporting lines, management oversight and branding following the sale of Clayton, and are consistent with the way our chief operating decision maker began assessing the performance of our reportable segments and other business activities effective in the first quarter of 2020. These changes to our reportable segments have been reflected in our segment operating results for all periods presented. See Note 1 for additional details about our Mortgage and Real Estate businesses. We allocate corporate operating expenses to both reportable segments based on each segment’s forecasted annual percentage of total revenue, which approximates the estimated percentage of management time spent on each segment. In addition, we allocate all corporate interest expense to our Mortgage segment, due to the capital-intensive nature of our mortgage insurance business.

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