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Fair Value of Financial Instruments (Narrative) (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2023 | Mar. 31, 2023
Equity security without readily determinable fair value |  |  |  |  |  |  |
Gain on sale of non-marketable equity security, gross |  |  | $ 23,924 |  |  |  |
Gain on sale of non-marketable equity security, net |  |  | $ 23,924 | $ 0 | $ 0 |  |
Gain on sale of equity security |  |  |  | 3,500 |  |  |
1.375% Convertible senior notes due 2023 | Convertible senior notes |  |  |  |  |  |  |
Equity security without readily determinable fair value |  |  |  |  |  |  |
Carrying value |  |  |  | $ 10,378 |  |  | $ 10,400
Private company |  |  |  |  |  |  |
Equity security without readily determinable fair value |  |  |  |  |  |  |
Non-marketable equity security, ownership percentage |  | 25.00% | 25.00% | 25.00% |  | 25.00% |
Non-marketable equity security |  |  |  |  |  | $ 0 |
Proceeds from sale of non-marketable equity security |  | $ 25,000 |  |  |  |  |
Gain on sale of non-marketable equity security, gross |  | 23,900 |  |  |  |  |
Transaction costs |  | 1,100 |  |  |  |  |
Realized gain on sale of equity method investment, gross |  | $ 25,000 |  |  |  |  |
Private company | Subsequent event |  |  |  |  |  |  |
Equity security without readily determinable fair value |  |  |  |  |  |  |
Proceeds from sale of non-marketable equity security | $ 23,000 |  |  |  |  |  |
Recurring basis | Earn-out liability | Significant unobservable inputs (Level 3) |  |  |  |  |  |  |
Equity security without readily determinable fair value |  |  |  |  |  |  |
Fair value remeasurement recognized as an additional expense |  |  | $ 9,234 | $ 3,111 | $ 5,300 |  |

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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481664/323-10-45-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -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 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 25 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 + Details
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