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v3.22.1

Investments - Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Allowance for credit loss, available-for-sale debt securities | $ 0 |  |  |
Debt securities in an unrealized loss position | 772,700,000 |  | $ 801,500,000 |
Debt securities, unrealized loss | 7,500,000 |  | 3,500,000 |
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss | 32,100,000 |  |  |
Realized gain (loss) on marketable equity securities |  | $ (14,300,000) |  |
Equity securities without readily determinable fair value, carrying value | 74,993,000 | 78,074,000 | 74,993,000 | $ 78,074,000
Carrying value of equity method investments | 16,200,000 |  | $ 17,400,000 |
Unrealized gain (loss) on marketable equity securities | (1,300,000) | 400,000 |  |
Impairment in equity method investments | 0 | 0 |  |
Cost-method Investments |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Impairment of investments | $ 0 | $ 0 |  |

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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 + Details
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
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