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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of goodwill | The carrying amount of goodwill by reporting unit as of March 31, 2021 was as follows:
($ in millions) |  | March 31, 2021 |  |  |  |  |  |
Property and Casualty |  | $ | 9.5 |  |  |  |  |  |  |
Supplemental |  | 19.6 |  |  |  |  |  |  |
Retirement |  | 4.5 |  |  |  |  |  |  |
Life |  | 9.9 |  |  |  |  |  |  |
Total |  | $ | 43.5 |  |  |  |  |  |  |
Summary of finite-lived intangible assets | As of March 31, 2021 the outstanding amounts of definite-lived intangible assets subject to amortization were as follows:
($ in millions) |  | Weighted Average |  |
|  | Useful Life (in Years) |  |
At inception: |  |  |  |
Value of business acquired |  | 30 |  | $ | 94.4 |
Value of distribution acquired |  | 17 |  | 54.0 |
Value of agency relationships |  | 14 |  | 17.0 |
Value of customer relationships |  | 10 |  | 9.1 |
Total |  | 23 |  | 174.5 |
Accumulated amortization and impairments: |  |  |  |
Value of business acquired |  |  |  | (12.6) |
Value of distribution acquired |  |  |  | (9.4) |
Value of agency relationships |  |  |  | (4.6) |
Value of customer relationships |  |  |  | (3.5) |
Total |  |  |  | (30.1) |
Net intangible assets subject to amortization: |  |  |  | $ | 144.4 |
Future amortization expense | Estimated future amortization of the Company's definite-lived intangible assets were as follows:
($ in millions) |  |
Year Ending December 31, |  |
2021 (excluding the three months ended March 31, 2021) |  | $ | 9.8 |
2022 |  | 12.1 |
2023 |  | 11.2 |
2024 |  | 10.5 |
2025 |  | 9.8 |
Thereafter |  | 91.0 |
Total |  | $ | 144.4 |
Summary of indefinite-lived intangible assets | Indefinite-lived intangible assets (not subject to amortization) as of March 31, 2021 were as follows:
($ in millions) |  |
Trade names |  | $ | 7.9 |
State licenses |  | 2.9 |
Total |  | $ | 10.8 |

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