Short-term Investments and Fair Value Measurements - Narrative (Details)	12 Months Ended
Dec. 31, 2021 USD ($) investment shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, realized gain	$ 394,000	$ 744,000
Debt securities, available-for-sale, realized gain	399,000	1,300,000
Net unrealized gain on available-for-sale equity securities	$ (3,222,838)	$ 1,695,497	$ 0
Number of securities in a gross unrealized loss position \| investment	24
Number of securities in a gross unrealized loss position for more than twelve months \| investment	6
Unrealized gain (loss) on investments	$ 766,000
Fair Value, Inputs, Level 1 \| Common stock
Debt Securities, Available-for-sale [Line Items]
Number of shares owned (in shares) \| shares	597,808

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.

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 http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455

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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).

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Number of investments in debt securities 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. Includes beneficial interest in securitized financial asset.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 10
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-Subparagraph (b)(3)
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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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-Name Accounting Standards Codification
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Balance held at close of period in number of shares.

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Amount of unrealized gain (loss) on investment.

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