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Loans, net and allowance for loan losses - Reclassification of Commercial Credits Category (Details) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($) loan
Commercial
Accounts, Notes, Loans and Financing Receivable
Change in category	$ 2.1
Special Mention | Real estate Commercial
Accounts, Notes, Loans and Financing Receivable
Number of loans reclassified | loan	1
Change in category	$ 3.8
Special Mention | Commercial
Accounts, Notes, Loans and Financing Receivable
Number of loans reclassified | loan	2
Change in category	$ 6.8
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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X

- 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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X

- Definition

Represents number of loans reclassified during the period.

+ References

No definition available.

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X

- 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.

+ Details

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- Details

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