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Equity Method Investments | 12 Months Ended
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Dec. 31, 2023
Equity Method Investments [Abstract] |
Equity Method Investments Disclosure [Text Block] | Equity Method Investments The Company's equity method investments, which are included in other assets on the consolidated balance sheets, totaled $605.9 million and $494.0 million as of December 31, 2023 and 2022, respectively. The Company's proportionate share of earnings in its equity method investments was a loss of $2.1 million for the year ended December 31, 2023, a loss of $22.9 million for the year ended December 31, 2022 and income of $15.0 million for the year ended December 31, 2021. The Company's most significant equity method investment is an investment in Hagerty, Inc. (Hagerty), which is accounted for on a quarter lag. Hagerty is an automotive enthusiast brand offering integrated membership products and programs as well as a specialty insurance provider focused on the global automobile enthusiast market. The Company's ownership interest in Hagerty was 23% as of December 31, 2023 and 2022. The Company's investment is comprised of Class A common shares, which are listed for trading on the New York Stock Exchange, as well as Class V common shares, associated with the Company's original investment, that have special voting rights and can be converted on a one-for-one basis into Class A common shares. The Company accounts for its investment under the equity method as it is deemed to have the ability to exercise significant influence over Hagerty's operating and financial policies through a combination of its voting interest, its right to designate a board member and business it conducts with Hagerty. As of December 31, 2023 and 2022, the carrying value of the Company's investment in Hagerty was $237.4 million and $245.1 million, respectively. As of December 31, 2023 and 2022, the estimated value of the Company's investment, based on the closing stock price of Hagerty's Class A common shares, was $608.4 million and $656.0 million, respectively. See note 18 for further details regarding related party transactions with Hagerty.

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- Definition The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 323 -SubTopic 740 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481543/323-740-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 323 -Publisher FASB -URI https://asc.fasb.org//323/tableOfContent + Details
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