Basis of Presentation and Significant Accounting Policies - Financial Instruments and Concentration of Credit Risk (Details) |
3 Months Ended | |
---|---|---|
Mar. 31, 2022
USD ($)
item
|
Dec. 31, 2021
USD ($)
|
|
Financial Instruments and Concentration of Credit Risk | ||
Number of financial institutions in the U.S. in which cash and cash equivalents are primarily maintained | item | 3 | |
Marketable securities held by entity | $ | $ 0 | $ 0 |