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Investments - Narratives (Details) € in Millions, $ in Millions | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | May 19, 2021 USD ($) | May 19, 2021 EUR (€) | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Debt and Equity Securities, FV-NI |  |  |  |  |  |
(Decrease) increase in fair value of investments in equity securities |  | $ (9.2) |  |  |  |
New investments |  | 45.0 |  |  |  |
Value of investment | $ 108.2 | 108.2 |  |  |  | $ 73.6
Investment in Equity Securities Level 1 |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
(Decrease) increase in fair value of investments in equity securities | (17.2) | (19.8) |  |  |  |
New investments |  | 0.0 |  |  |  |
Value of investment | 32.4 | 32.4 |  |  |  | 53.8
Investment in Equity Securities, Level 2 |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
(Decrease) increase in fair value of investments in equity securities | 4.7 | 10.6 |  |  |  |
New investments |  | 0.0 |  |  |  |
Value of investment | 14.7 | 14.7 |  |  |  | 4.1
Investments in Equity Securities, All Others |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
(Decrease) increase in fair value of investments in equity securities |  | 0.0 |  |  |  |
New investments |  | 45.0 |  |  |  |
Value of investment | 61.1 | $ 61.1 |  |  |  | 15.7
Earthly Labs Inc. |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
New investments | $ 5.0 |  |  |  |  |
Equity investments, ownership interest (percent) | 15.00% | 15.00% |  |  |  |
Transform Materials |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
Equity investments, ownership interest (percent) | 5.00% | 5.00% |  |  |  |
Value of investment | $ 25.0 | $ 25.0 |  |  |  |
Svante Inc. |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
Equity investments, ownership interest (percent) |  |  |  |  | 10.00% |
Value of investment |  |  |  |  | $ 15.0 |
Liberty LNG |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
Equity investments, ownership interest (percent) | 25.00% | 25.00% |  |  |  |
(Decrease) increase in fair value of investments in equity securities | $ 2.3 | $ 2.3 |  |  |  | $ 2.1
Cryomotive GmbH |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
Equity investments, ownership interest (percent) |  |  | 24.90% | 24.90% |  |
Value of investment | $ 7.7 | $ 7.7 | $ 7.9 | € 6.5 |  |
Hudson Products de Mexico S.A. de CV | Investment in Joint Venture |  |  |  |  |  |
Debt and Equity Securities, FV-NI |  |  |  |  |  |
Equity investments, ownership interest (percent) | 50.00% | 50.00% |  |  |  | 50.00%
(Decrease) increase in fair value of investments in equity securities | $ 2.9 | $ 2.9 |  |  |  | $ 2.8

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