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Loans and Allowance for Credit Losses - CARES Act (Details) - COVID-19 - USD ($)	6 Months Ended	12 Months Ended
	Dec. 31, 2020	Jun. 30, 2020
Financing Receivables, Current
Temporarily suspended loans	$ 40,300,000	$ 380,100,000
Financial Asset, 30 to 59 Days Past Due | Residential real estate loans
Temporarily suspended loans	$ 1,000
Financial Asset, 30 to 59 Days Past Due | Consumer Loan
Temporarily suspended loans		29,000
Financial Asset, 60 to 89 Days Past Due | Commercial Loan
Temporarily suspended loans		$ 66,000

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