Acquisitions and FDIC Indemnification Asset (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Assets	$ 4,801,093	$ 4,557,544
Goodwill	$ 78,592	$ 78,592

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details