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Advances from Federal Home Loan Bank - Additional Information (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Jun. 30, 2019
Advances from Federal Home Loan Bank    
FHLB prior to maturity amount $ 10.0  
Long-term Line of Credit 296.6 $ 320.1
Line of Credit Outstanding 768.7 754.4
Amount withdrawn $ 296.6 $ 320.1