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Summary of Significant Accounting Policies - Narrative (Details) - ASU 2016-13
6 Months Ended
Dec. 31, 2020
Jun. 30, 2020
Maximum    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Financing receivable, allowance for credit loss, period increase (decrease), percent   20.00%
Forecast | Minimum    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Financing receivable, allowance for credit loss, period increase (decrease), percent 10.00%