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Business - Additional Information (Detail)	Mar. 31, 2020 Location Subsidiary Loan
Schedule Of Description Of Company [Line Items]
Number of inactive subsidiaries | Subsidiary	1
Bank operated banking centers	58
Bank operated trust office locations, number	3
Number of loan production office | Loan	1

X

- Definition

Bank operated banking centers number.

+ References

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- Definition

Bank operated wealth management offices, number.

+ References

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- Definition

Number of inactive subsidiaries.

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- Definition

Number of loan production office.

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- Definition

Schedule Of Description Of Company [Line Items]

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