Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details)  | 
 Sep. 30, 2021  
USD ($) 
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|---|---|
| Organization Consolidation And Presentation Of Financial Statements [Abstract] | |
| Federal insured limit | $ 250,000 | 
| X | ||||||||||
- Definition Federally insured limit. No definition available. 
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| X | ||||||||||
- References No definition available. 
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