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Schedule II. Condensed Financial Statements of Parent Company (Condensed Statement of Income and Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Revenues |  |  |
Investment income | $ 97,538 | $ 81,986 | $ 59,606
Total revenues | 1,386,412 | 1,253,307 | 1,095,467
Expenses |  |  |
Interest Expense | 11,267 | 7,281 | 3,260
Total benefits, losses and expenses | 1,238,476 | 1,176,273 | 1,135,188
Net income (loss) | 118,191 | 61,957 | (29,700)
Other comprehensive income (loss) |  |  |
Change in unrealized gain (loss) on investments held by subsidiary | 55,644 | (13,466) | 26,373
Change in liability for underfunded employee benefit plans of subsidiary | 1,138 | 2,089 | 18,953
Other comprehensive income (loss), before tax and reclassification adjustments | 59,119 | (11,577) | 45,326
Income tax effect | (12,420) | 2,388 | (9,518)
Reclassification adjustment for net realized gains of the subsidiary included in income | 3,822 | 6,791 | 718
Reclassification adjustment for employee benefit costs of the subsidiary included in expense | 0 | 0 | 207
Total reclassification adjustments, before tax | 3,822 | 6,791 | 925
Income tax effect | (803) | (1,426) | (194)
Comprehensive income (loss) | 167,909 | 58,133 | 6,839
United Fire Group, Inc. |  |  |
Revenues |  |  |
Investment income | 250 | 223 | 99
Total revenues | 250 | 223 | 99
Expenses |  |  |
Interest Expense | 7,829 | 3,844 | 0
Total benefits, losses and expenses | 7,829 | 3,844 | 0
Income before income taxes and equity in net income of subsidiary | (7,579) | (3,621) | 99
Income tax expense (benefit) | (1,591) | (760) | 21
Net income before equity in net income (loss) of subsidiary | (5,988) | (2,861) | 78
Equity in net income (loss) of subsidiary | 124,179 | 64,818 | (29,778)
Net income (loss) | 118,191 | 61,957 | (29,700)
Other comprehensive income (loss) |  |  |
Change in unrealized gain (loss) on investments held by subsidiary | 55,644 | (13,466) | 26,373
Change in liability for underfunded employee benefit plans of subsidiary | 1,138 | 2,089 | 18,953
Other comprehensive income (loss), before tax and reclassification adjustments | 56,782 | (11,377) | 45,326
Income tax effect | (12,420) | 2,388 | (9,518)
Other comprehensive income (loss), after tax, before reclassification adjustments | 44,362 | (8,989) | 35,808
Reclassification adjustment for net realized gains of the subsidiary included in income | 3,822 | 6,791 | 718
Reclassification adjustment for employee benefit costs of the subsidiary included in expense | 0 | 0 | 207
Total reclassification adjustments, before tax | 3,822 | 6,791 | 925
Income tax effect | (803) | (1,426) | (194)
Total reclassification adjustments, after tax | 3,019 | 5,365 | 731
Comprehensive income (loss) | $ 165,572 | $ 58,333 | $ 6,839

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