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Acquisitions - Identifiable Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Jul. 01, 2019 | Dec. 31, 2018
Liabilities: |  |  |
Goodwill | $ 49,079 |  | $ 47,396
Goodwill expected to be deductible for tax purposes |  | $ 17,900 |
NTA |  |  |
Assets: |  |  |
Investments |  | 542,600 |
Cash and short-term investments |  | 73,800 |
Intangible assets |  | 169,800 |
Other assets |  | 18,300 |
Liabilities: |  |  |
Policy reserves |  | 366,800 |
Policy claims |  | 21,800 |
Unearned premiums |  | 4,100 |
Other liabilities |  | 5,500 |
Total identifiable net assets acquired |  | 406,300 |
Goodwill |  | 19,600 |
Purchase price |  | $ 425,900 |
Acquired finite-lived intangible assets, useful lives | 23 years |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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