Acquisitions (Subsequent Event) - Textual (Details)	Jun. 04, 2021 USD ($) branch shares	Sep. 30, 2021 USD ($)
Landmark Community Bank
Business Acquisition [Line Items]
Shares issued (in shares) | shares	4,499,872
Payments to acquire businesses, gross	$ 6,451,727.43
Number of bank branches acquired | branch	8
Assets acquired		$ 978,800,000
Loans acquired		784,400,000
Deposits acquired		813,300,000
Triumph Bancshares
Business Acquisition [Line Items]
Shares issued (in shares) | shares	4,164,712
Payments to acquire businesses, gross	$ 1,693,402.93
Number of bank branches acquired | branch	6
Assets acquired		855,300,000
Loans acquired		708,000,000
Deposits acquired		$ 724,000,000