Transactions with Executive Officers, Directors, and Principal Shareholders - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Percentage of gross revenue	5.00%
Percentage of aggregate amount of consolidated assets	5.00%
Director
Related Party Transaction [Line Items]
Related party deposits	$ 15.3	$ 10.6
Minimum
Related Party Transaction [Line Items]
Percentage of participation in equity	10.00%
Letter of Credit \| Affiliated Entity
Related Party Transaction [Line Items]
Outstanding commitment	$ 0.5	0.5
Unfunded Loan Commitment \| Affiliated Entity
Related Party Transaction [Line Items]
Commitment to provide short-term commercial real estate financing		$ 8.0

Benchmark percentage of aggregate assets for related party transactions

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- Definition

Benchmark percentage of gross revenues for related party transactions.

+ References

No definition available.

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- Definition

Percentage of participation in equity.

+ References

No definition available.

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- Definition

Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

+ References

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- Definition

Amount of deposits held by the entity for a related party (entity, shareholder, employee).

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- Definition

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.

+ References

No definition available.

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