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Fair Value of Financial Instruments | 3 Months Ended
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Mar. 31, 2025
Fair Value Disclosures [Abstract] |
Fair Value of Financial Instruments | Fair Value of Financial Instruments The Company is required to disclose estimated fair values for certain financial and nonfinancial assets and liabilities. Fair values for the Company’s insurance contracts other than annuity contracts (which are investment contracts) and equity method limited partnership interests are not required to be disclosed in fair value hierarchy. The estimated fair values of liabilities under all insurance contracts are taken into consideration in the Company’s overall management of interest rate risk through the matching of investment maturities with amounts due under insurance contracts. Information regarding the three-level fair value hierarchy presented below and the valuation methodologies utilized by the Company to estimate fair values at each reporting date is included in Part II - Item 8, Note 3 of the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024. Financial Instruments Measured and Carried at Fair Value on a Recurring Basis The following table presents the Company's fair value hierarchy for financial assets and financial liabilities measured and carried at fair value on a recurring basis. During the three months ended March 31, 2025 and 2024, there were no transfers between Level 1 and Level 2. As of March 31, 2025, Level 3 invested assets comprised 9.2% of the Company’s total investment portfolio at fair value.
($ in millions) |  | Carrying Amount |  | Fair Value |  | Fair Value Measurements at Reporting Date Using
|  |  |  | Level 1 |  | Level 2 |  | Level 3
March 31, 2025 |  |  |  |  |  |  |  |  |  |
Financial Assets |  |  |  |  |  |  |  |  |  |
Investments |  |  |  |  |  |  |  |  |  |
Fixed maturity securities |  |  |  |  |  |  |  |  |  |
U.S. Government and federally sponsored agency obligations: |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities |  | $ | 812.2 |  |  | $ | 812.2 |  |  | $ | — |  |  | $ | 812.2 |  |  | $ | — |
Other, including U.S. Treasury securities |  | 363.3 |  |  | 363.3 |  |  | 24.8 |  |  | 338.5 |  |  | — |
Municipal bonds |  | 1,155.9 |  |  | 1,155.9 |  |  | — |  |  | 1,079.8 |  |  | 76.1 |
Foreign government bonds |  | 13.3 |  |  | 13.3 |  |  | — |  |  | 13.3 |  |  | — |
Corporate bonds |  | 1,780.0 |  |  | 1,780.0 |  |  | 7.7 |  |  | 1,431.3 |  |  | 340.9 |
Other asset-backed securities |  | 1,333.0 |  |  | 1,333.0 |  |  | — |  |  | 1,265.9 |  |  | 67.1 |
Total fixed maturity securities |  | 5,457.7 |  |  | 5,457.7 |  |  | 32.5 |  |  | 4,941.0 |  |  | 484.1 |
Equity securities |  | 64.3 |  |  | 64.3 |  |  | 1.3 |  |  | 59.0 |  |  | 4.0 |
Limited partnership interests |  | 34.9 |  |  | 34.9 |  |  | — |  |  | — |  |  | 34.9 |
Short-term investments |  | 126.0 |  |  | 126.0 |  |  | 126.0 |  |  | — |  |  | — |
Other investments |  | 13.8 |  |  | 13.8 |  |  | — |  |  | 13.8 |  |  | — |
Totals |  | $ | 5,696.7 |  |  | $ | 5,696.7 |  |  | $ | 159.8 |  |  | $ | 5,013.8 |  |  | $ | 523.0 |
Separate Account variable annuity assets(1) |  | $ | 3,568.3 |  |  | $ | 3,568.3 |  |  | $ | 3,568.3 |  |  | $ | — |  |  | $ | — |
Financial Liabilities(2) |  | $ | 76.9 |  |  | $ | 76.9 |  |  | $ | — |  |  | $ | 2.6 |  |  | $ | 74.3 |
December 31, 2024 |  |  |  |  |  |  |  |  |  |
Financial Assets |  |  |  |  |  |  |  |  |  |
Investments |  |  |  |  |  |  |  |  |  |
Fixed maturity securities |  |  |  |  |  |  |  |  |  |
U.S. Government and federally sponsored agency obligations: |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities |  | $ | 755.8 |  |  | $ | 755.8 |  |  | $ | — |  |  | $ | 755.8 |  |  | $ | — |
Other, including U.S. Treasury securities |  | 357.6 |  |  | 357.6 |  |  | 24.7 |  |  | 332.9 |  |  | — |
Municipal bonds |  | 1,150.8 |  |  | 1,150.8 |  |  | — |  |  | 1,075.9 |  |  | 74.9 |
Foreign government bonds |  | 13.1 |  |  | 13.1 |  |  | — |  |  | 13.1 |  |  | — |
Corporate bonds |  | 1,782.4 |  |  | 1,782.4 |  |  | 7.7 |  |  | 1,423.4 |  |  | 351.3 |
Other asset-backed securities |  | 1,328.2 |  |  | 1,328.2 |  |  | — |  |  | 1,254.5 |  |  | 73.7 |
Total fixed maturity securities |  | 5,387.9 |  |  | 5,387.9 |  |  | 32.4 |  |  | 4,855.6 |  |  | 499.9 |
Equity securities |  | 66.5 |  |  | 66.5 |  |  | 1.4 |  |  | 60.9 |  |  | 4.2 |
Limited partnership interests |  | 28.9 |  |  | 28.9 |  |  | — |  |  | — |  |  | 28.9 |
Short-term investments |  | 101.1 |  |  | 101.1 |  |  | 101.1 |  |  | — |  |  | — |
Other investments |  | 18.5 |  |  | 18.5 |  |  | — |  |  | 18.5 |  |  | — |
Totals |  | $ | 5,602.9 |  |  | $ | 5,602.9 |  |  | $ | 134.9 |  |  | $ | 4,935.0 |  |  | $ | 533.0 |
Separate Account (variable annuity) assets(1) |  | $ | 3,708.8 |  |  | $ | 3,708.8 |  |  | $ | 3,708.8 |  |  | $ | — |  |  | $ | — |
Financial Liabilities(2) |  | $ | 79.6 |  |  | $ | 79.6 |  |  | $ | — |  |  | $ | 4.1 |  |  | $ | 75.5 |
(1) Separate Account variable annuity assets represent contractholder funds invested in various actively traded mutual funds that have daily quoted net asset values that are readily determinable for identical assets that the Company can access. Separate Account variable annuity liabilities are equal to the estimated fair value of the Separate Account variable annuity assets. (2) Represents embedded derivatives related to fixed indexed annuity and indexed universal life products reported in Future policy benefit reserves and Other policyholder funds as well as net MRBs reported in Policyholders' account balances in the Company's Consolidated Balance Sheets. Changes in Level 3 Fair Value Measurements The reconciliation for all financial assets and financial liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) were as follows:
($ in millions) |  | Financial Assets |  | Financial Liabilities(1)
|  | Municipal Bonds |  | Corporate Bonds |  | Mortgage-Backed and Other Asset- Backed Securities(2) |  | Total Fixed Maturity Securities |  | Equity Securities & Limited Partnership Interests |  | Total |  |
Beginning balance, January 1, 2025 |  | $ | 74.9 |  |  | $ | 351.3 |  |  | $ | 73.7 |  |  | $ | 499.9 |  |  | $ | 33.1 |  |  | $ | 533.0 |  |  | $ | 75.5 |
Transfers into Level 3(3) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Transfers out of Level 3(3) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total gains or losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net investment gains (losses) included in net income |  | — |  |  | — |  |  | — |  |  | — |  |  | 5.8 |  |  | 5.8 |  |  | — |
Net investment (gains) losses included in net income related to financial liabilities |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1.9 |
Net unrealized gains (losses) included in OCI |  | 1.3 |  |  | (0.6) |  |  | (0.6) |  |  | 0.1 |  |  | — |  |  | 0.1 |  |  | 0.2 |
Purchases |  | — |  |  | 13.4 |  |  | — |  |  | 13.4 |  |  | — |  |  | 13.4 |  |  | — |
Issuances |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1.4 |
Sales |  | — |  |  | (22.4) |  |  | (0.2) |  |  | (22.6) |  |  | — |  |  | (22.6) |  |  | — |
Settlements |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Paydowns, maturities and distributions |  | (0.1) |  |  | (0.8) |  |  | (5.8) |  |  | (6.7) |  |  | — |  |  | (6.7) |  |  | (4.7) |
Ending balance, March 31, 2025 |  | $ | 76.1 |  |  | $ | 340.9 |  |  | $ | 67.1 |  |  | $ | 484.1 |  |  | $ | 38.9 |  |  | $ | 523.0 |  |  | $ | 74.3 |
Beginning balance, January 1, 2024 |  | $ | 74.0 |  |  | $ | 342.5 |  |  | $ | 97.5 |  |  | $ | 514.0 |  |  | $ | 4.5 |  |  | $ | 518.5 |  |  | $ | 82.4 |
Transfers into Level 3(3) |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Transfers out of Level 3(3) |  | — |  |  | (4.4) |  |  | — |  |  | (4.4) |  |  | — |  |  | (4.4) |  |  | — |
Total gains or losses |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net investment gains (losses) included in net income |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.1 |  |  | 0.1 |  |  | — |
Net investment (gains) losses included in net income related to financial liabilities |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1.3 |
Net unrealized gains (losses) included in OCI |  | (0.7) |  |  | (0.6) |  |  | 2.4 |  |  | 1.1 |  |  | — |  |  | 1.1 |  |  | (0.1) |
Purchases |  | — |  |  | 14.1 |  |  | — |  |  | 14.1 |  |  | — |  |  | 14.1 |  |  | — |
Issuances |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1.4 |
Sales |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Settlements |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Paydowns, maturities and distributions |  | (0.1) |  |  | (6.1) |  |  | (11.2) |  |  | (17.4) |  |  | (2.1) |  |  | (19.5) |  |  | (4.2) |
Ending balance, March 31, 2024 |  | $ | 73.2 |  |  | $ | 345.5 |  |  | $ | 88.7 |  |  | $ | 507.4 |  |  | $ | 2.5 |  |  | $ | 509.9 |  |  | $ | 80.8 |
(1)Represents embedded derivatives related to fixed indexed annuity and indexed universal life products reported in Future policy benefit reserves and Other policyholder funds as well as net MRBs reported in Policyholders' account balances in the Company's Consolidated Balance Sheets. (2)Includes U.S. Government and federally sponsored agency obligations for mortgage-backed securities and other asset-backed securities. (3)Transfers into and out of Level 3 during the three months ended March 31, 2025 and 2024 were related to changes in the primary pricing source or changes in observability of external information used in determining fair value. The Company's policy is to recognize transfers into and out of the levels as having occurred at the end of the reporting period in which the transfers were determined. For the three months ended March 31, 2025, the Company had net gains of $5.8 million with respect to Level 3 financial assets. For the three months ended March 31, 2024, the Company had net gains of $0.1 million with respect to Level 3 financial assets. For the three months ended March 31, 2025 and 2024, a net investment loss of $1.9 million and $1.3 million, respectively, were included in net income that were attributable to changes in the fair value of Level 3 financial liabilities. Level 3 Assets and Liabilities by Price Source The table below presents the balances of Level 3 assets and liabilities measured at fair value with their corresponding pricing sources:
($ in millions)
|  | Total |  | Internal |  | External
March 31, 2025 |  |  |  |  |  |
Financial Assets |  |  |  |  |  |
Fixed maturity securities |  |  |  |  |  |
U.S. Government and federally sponsored agency obligations: |  |  |  |  |  |
Mortgage-backed securities |  | $ | — |  |  | $ | — |  |  | $ | — |
Municipal bonds |  | 76.1 |  |  | — |  |  | 76.1 |
Corporate bonds |  | 340.9 |  |  | 190.0 |  |  | 150.9 |
Other asset-backed securities |  | 67.1 |  |  | — |  |  | 67.1 |
Total fixed maturity securities |  | 484.1 |  |  | 190.0 |  |  | 294.1 |
Equity securities |  | 4.0 |  |  | — |  |  | 4.0 |
Limited partnership interests |  | 34.9 |  |  | — |  |  | $ | 34.9 |
Totals |  | 523.0 |  |  | 190.0 |  |  | 333.0 |
Financial Liabilities(1) |  | 74.3 |  |  | 74.3 |  |  | — |
December 31, 2024 |  |  |  |  |  |
Financial Assets |  |  |  |  |  |
Fixed maturity securities |  |  |  |  |  |
U.S. Government and federally sponsored agency obligations: |  |  |  |  |  |
Mortgage-backed securities |  | — |  |  | — |  |  | — |
Municipal bonds |  | 74.9 |  |  | — |  |  | 74.9 |
Corporate bonds |  | 351.3 |  |  | 199.3 |  |  | 152.0 |
Other asset-backed securities |  | 73.7 |  |  | — |  |  | 73.7 |
Total fixed maturity securities |  | 499.9 |  |  | 199.3 |  |  | 300.6 |
Equity securities |  | 4.2 |  |  | — |  |  | 4.2 |
Limited partnership interests |  | 28.9 |  |  |  |  | 28.9 |
Totals |  | 533.0 |  |  | 199.3 |  |  | 333.7 |
Financial Liabilities(1) |  | $ | 75.5 |  |  | $ | 75.5 |  |  | $ | — |
(1) Represents embedded derivatives related to fixed indexed annuity and indexed universal life products reported in Future policy benefit reserves and Other policyholder funds as well as net MRBs reported in Policyholders' account balances in the Company's Consolidated Balance Sheets. External pricing sources for securities represent prices from prior transactions or unadjusted third-party pricing information where pricing inputs are not readily available. Quantitative Information about Level 3 Fair Value Measurements The following table provides quantitative information about the significant unobservable inputs for recurring fair value measurements categorized with Level 3.
($ in millions) |  |
|  | Fair Value as of March 31, 2025 |  | Valuation Technique(s) |  | Unobservable Inputs |  | Range (Weighted Average) and Single Point Best Estimate(1) |  | Impact of Increase in Input on Fair Value
Financial Assets |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 190.0 |  |  | discounted cash flow |  | yield |  | 3.9% - 9.0% |  | decrease
|  |  |  | discounted cash flow |  | option adjusted spread |  | 283 bps - 809 bps |  | decrease
Financial Liabilities |  |  |  |  |  |  |  |  |  |
Derivatives embedded in fixed indexed annuity products |  | $ | 79.5 |  |  | discounted cash flow |  | lapse rate |  | 6.4% |  | decrease
|  |  |  |  |  | mortality multiplier(2) |  | 67.0% |  | decrease
|  |  |  |  |  | option budget |  | 0.9% - 3.8% |  | increase
|  |  |  |  |  | non-performance adjustment(3) |  | 5.0% |  | decrease
Net MRBs |  | $ | (5.2) |  |  | discounted cash flow |  | lapse rate |  | 6.4% |  | decrease
|  |  |  |  |  | mortality multiplier(2) |  | 67.0% |  | increase
(1) When a range of unobservable inputs is not readily available, the Company uses a single point best estimate. (2) Mortality multiplier is applied to the Annuity 2000 table. (3) Determined as a percentage of the risk-free rate. The valuation techniques and significant unobservable inputs used in the fair value measurement for financial assets and financial liabilities classified as Level 3 are subject to the processes as described in Part II - Item 8, Note 3 in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024. Generally, valuation techniques for corporate bonds include using discounted cash flow techniques where the unobservable input is the yield. The yield used for the valuation of these fixed maturity securities is less observable than securities classified as Level 2. Financial Instruments Not Carried at Fair Value The Company has various other financial assets and financial liabilities used in the normal course of business that are not carried at fair value, but for which fair value disclosure is required. These financial assets and financial liabilities are further described in Part II - Item 8, Note 3 in the Company's Annual Report on Form 10-K for the year ended December 31, 2024. The following table presents the carrying amount and fair value of the Company’s financial assets and financial liabilities not carried at fair value and the level within the fair value hierarchy at which such financial assets and liabilities are categorized.
($ in millions) |  | Carrying Amount |  | Fair Value |  | Fair Value Measurements at Reporting Date Using
|  |  |  | Level 1 |  | Level 2 |  | Level 3
March 31, 2025 |  |  |  |  |  |  |  |  |  |
Financial Assets |  |  |  |  |  |  |  |  |  |
Other investments |  | $ | 220.2 |  |  | $ | 223.4 |  |  | $ | — |  |  | $ | 37.5 |  |  | $ | 185.9 |
Deposit asset on reinsurance |  | 2,421.0 |  |  | 2,141.4 |  |  | — |  |  | — |  |  | 2,141.4 |
Financial Liabilities |  |  |  |  |  |  |  |  |  |
Policyholders' account balances |  | 5,096.5 |  |  | 4,730.2 |  |  | — |  |  | — |  |  | 4,730.2 |
Other policyholder funds |  | 1,005.8 |  |  | 1,005.8 |  |  | — |  |  | 1,002.9 |  |  | 2.9 |
Long-term debt |  | 547.2 |  |  | 577.8 |  |  | — |  |  | 577.8 |  |  | — |
December 31, 2024 |  |  |  |  |  |  |  |  |  |
Financial Assets |  |  |  |  |  |  |  |  |  |
Other investments |  | $ | 221.0 |  |  | $ | 224.3 |  |  | $ | — |  |  | $ | 37.0 |  |  | $ | 187.3 |
Deposit asset on reinsurance |  | 2,434.3 |  |  | 2,121.9 |  |  | — |  |  | — |  |  | 2,121.9 |
Financial Liabilities |  |  |  |  |  |  |  |  |  |
Policyholders' account balances |  | 5,020.2 |  |  | 4,710.1 |  |  | — |  |  | — |  |  | 4,710.1 |
Reverse repurchase agreement |  | 12.0 |  |  | 12.4 |  |  | — |  |  | 12.4 |  |  | — |
Other policyholder funds |  | 995.7 |  |  | 995.7 |  |  | — |  |  | 992.9 |  |  | 2.8 |
Long-term debt |  | 547.0 |  |  | 575.1 |  |  | — |  |  | 575.1 |  |  | — |

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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