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Subsequent Events - Additional Information (Details) - Subsequent Event - PGB $ in Millions	Jan. 10, 2020 USD ($) Branch
Subsequent Event [Line Items]
Business acquisition, date	Jan. 10, 2020
Cash consideration	$ 32.9
Illinois
Subsequent Event [Line Items]
Business Combination, Identifiable assets acquired	217.6
Deposits	$ 192.3
Number of branches | Branch	3

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Number of branches.

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- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Amount of assets acquired at the acquisition date.

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The amount of financial liabilities assumed (as defined) which have been recognized as of the acquisition date.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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