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Other Assets - Additional Information (Details)
$ in Millions
Jun. 30, 2023
USD ($)
Security
Taxable MRB [Member]  
Other Assets [Line Items]  
Number of securities held in trust 2
Taxable GILs [Member]  
Other Assets [Line Items]  
Number of securities held in trust 4
Taxable MRBs and Taxable GILs [Member] | TOB Trust [Member]  
Other Assets [Line Items]  
Assets held in trust | $ $ 25.1