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v3.25.3

Fair Value Measurements - Carrying Values and Fair Value Estimates (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Loans to Policyholders | $ 279.3 | $ 280.7
Short-Term Investments | 371.2 | 1,037.1
Other Short-term Investments, Fair Value Disclosure | 371.2 | 1,037.1
Mortgage Loans | 148.2 | 75.3
Company-Owned Life Insurance | 567.9 | 539.2
Equity Securities at Modified Cost | 22.2 | 22.5
Fair Value Using NAV | 22.2 | 22.5
Long-term debt | 943.1 | 1,391.6
Long-term debt, fair value | 864.6 | 1,278.4
Policyholder Obligations | 620.0 | 637.7
Federal Home Loan Bank of Chicago |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Federal Home Loan Bank Borrowings, Fair Value Disclosure | 525.2 | 541.3
Federal Home Loan Bank of Chicago | United Insurance Company of America |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Policyholder Obligations | 525.2 | 541.3
Loans to Policyholders |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Loans | 279.3 | 280.7
Mortgage Loans |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Loans | $ 148.2 | $ 75.3

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- Definition Amount before allowance of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums over and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(e)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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