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Short-term Investments and Fair Value Measurements - Narrative (Details) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 USD ($) position shares | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) position shares | Jun. 30, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Realized gain on investments | $ 1,000 | $ 358,000 | $ 21,000 | $ 358,000
Realized loss on investments | 3,000 | 194,000 | 342,000 | 204,000
Unrealized loss | 4,000,000 |  | 8,800,000 |
Net unrealized (loss) gain on available-for-sale equity securities | $ (3,967,101) | $ 136,493 | $ (8,807,742) | $ (711,465)
Number of securities in a gross unrealized loss position | position | 32 |  | 32 |
Number of securities in a gross unrealized loss position for more than twelve months | position | 16 |  | 16 |
Unrealized loss |  |  | $ 4,500,000 |
Level 1 | Common stock |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Investment owned (in shares) | shares | 597,808 |  | 597,808 |

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- Definition Number of investments in debt securities 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 an allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 + Details
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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563 + Details
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