Loans and Allowance for Credit Losses for Loans - Summary of Collateral Dependent Loans (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	$ 194,396
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	124,323
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	54,216
Commercial real estate | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	51,386
Commercial real estate | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	2,830
Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	15,581
Consumer | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral dependent loans	$ 276