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Loans, net and allowance for loan losses - Reclassification of Commercial Credits Category (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) loan
Special Mention | Real estate Commercial
Accounts, Notes, Loans and Financing Receivable
Number of loans reclassified | loan	4
Number of loans reclassified during the period due to the loss of major tenants | loan	2
Change in category	$ 9.0
Increase (decrease) in loans and leases receivable due to hospitality industry and financial difficulties due to COVID-19	4.5
Special Mention | Commercial
Accounts, Notes, Loans and Financing Receivable
Increase (decrease) in loans and leases receivable	13.0
Substandard | Real estate Commercial
Accounts, Notes, Loans and Financing Receivable
Change in category due to construction delays	$ 5.1

X

- Definition

The amount of increase decrease in loans and lease receivables during the period due to construction delays.

+ References

No definition available.

+ Details

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- Definition

The amount of increase decrease in loans and lease receivables during the period due to financial difficulties.

+ References

No definition available.

+ Details

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- Definition

The amount of increase (decrease) in loans and leases receivable due to hospitality industry and financial difficulties due to COVID-19.

+ References

No definition available.

+ Details

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- Definition

The amount of increase (decrease) in loans and leases receivable due to relationship experiencing cash flow and capital issues.

+ References

No definition available.

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- Definition

Represents number of loans reclassified during the period.

+ References

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- Definition

Represents number of loans reclassified during the period due to the loss of major tenants.

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No definition available.

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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.

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No definition available.

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