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Acquisition of Tokio Millennium Re (Fair Value of Net Assets Acquired and Liabilities Assumed) (Details) - TMR $ in Thousands | Mar. 22, 2019 USD ($) state
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Business Acquisition [Line Items] |
Excess purchase price over the fair value of net assets acquired assigned to goodwill | $ 13,094
Acquired finite-lived intangibles, weighted average amortization period | 10 years 6 months
Value of business acquired, amortization period | 2 years
Value of business acquired | $ 287,600
Deferred tax liability related to the estimated fair value of the intangible assets recorded | 2,281
Deferred tax liability related to other adjustments | 2,606
Insurance licenses |
Business Acquisition [Line Items] |
Identifiable indefinite lived intangible assets (insurance licenses) | $ 6,800
Number of states, ability to write reinsurance | state | 50

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