Summary of Significant Accounting Policies - Antidilutive Securities (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total antidilutive securities (in shares)	10,363,769	8,668,005	6,158,026
Stock options outstanding
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total antidilutive securities (in shares)	10,363,769	8,668,005	6,158,026