Financial Instruments With Off-Balance Sheet Risk, Contingencies and Concentration of Credit Risk (Details) $ in Millions	Dec. 31, 2018 USD ($)
Standby Letters of Credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair value disclosure, liability, face amount	$ 867.2
Commitments to Extend Credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair value disclosure, liability, face amount	$ 21.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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