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Summary of Significant Accounting Policies - Narrative (Details)
$ in Millions
Jul. 30, 2021
USD ($)
Jun. 30, 2021
market
Accounting Policies [Abstract]    
Number of markets entity operates | market   14
Subsequent Event    
Schedule of Equity Method Investments [Line Items]    
Repayments of Subordinated Debt | $ $ 130  
Bankers Healthcare Group, LLC    
Schedule of Equity Method Investments [Line Items]    
Ownership interest (as percent)   49.00%